{"action":"closed","issue":{"url":"https://api.github.com/repos/Khan/khan-exercises/issues/125789","labels_url":"https://api.github.com/repos/Khan/khan-exercises/issues/125789/labels{/name}","comments_url":"https://api.github.com/repos/Khan/khan-exercises/issues/125789/comments","events_url":"https://api.github.com/repos/Khan/khan-exercises/issues/125789/events","html_url":"https://github.com/Khan/khan-exercises/issues/125789","id":23213594,"number":125789,"title":"Views of a function - WTH?","user":{"login":"KhanBugz","id":924247,"avatar_url":"https://avatars.githubusercontent.com/u/924247?v=3","gravatar_id":"","url":"https://api.github.com/users/KhanBugz","html_url":"https://github.com/KhanBugz","followers_url":"https://api.github.com/users/KhanBugz/followers","following_url":"https://api.github.com/users/KhanBugz/following{/other_user}","gists_url":"https://api.github.com/users/KhanBugz/gists{/gist_id}","starred_url":"https://api.github.com/users/KhanBugz/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/KhanBugz/subscriptions","organizations_url":"https://api.github.com/users/KhanBugz/orgs","repos_url":"https://api.github.com/users/KhanBugz/repos","events_url":"https://api.github.com/users/KhanBugz/events{/privacy}","received_events_url":"https://api.github.com/users/KhanBugz/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/500k","name":"500k","color":"0052cc"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/hard","name":"hard","color":"02d7e1"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/ipad","name":"ipad","color":"ededed"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/safari","name":"safari","color":"e102d8"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/scratchpad","name":"scratchpad","color":"DDDDDD"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2013-11-24T21:44:49Z","updated_at":"2015-11-20T06:39:27Z","closed_at":"2015-11-20T06:39:27Z","body":"How can I put in the same answers in the hints and still have it not accepted?  I'm not talking about a check mark versus an X, I'm talking about the program not being able to advance to the next problem!   Aaarrrggghhh!!!\n\n[views_of_a_function.html?seed=199&problem=equation-to-table](http://sandcastle.kasandbox.org/media/castles/Khan:master/exercises/views_of_a_function.html?seed=199&problem=equation-to-table&debug&lang=en)\n\n[Answer timeline](http://sandcastle.kasandbox.org/media/castles/Khan:master/exercises/views_of_a_function.html?seed=199&problem=equation-to-table&debug&lang=en&activity=%5B%5D)\n\n    []\n\nLocale: en\n\nUser hash: 960432867\n\nMozilla/5.0 (iPad; CPU OS 7_0_3 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11B511 Safari/9537.53\n\nMathJax is loaded, ready, queue length: 0\n\n\n\nstart of log\nloadModule mod /khan-exercises/utils/answer-types.js\nloadModule mod /khan-exercises/utils/tmpl.js\nloadModule mod /khan-exercises/utils/tex.js\nloadModule mod /khan-exercises/utils/jquery.adhesion.js\nloadModule mod /khan-exercises/utils/calculator.js\nloadModule mod /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadScript loading /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadScript loaded /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nstartTask...\nstartTask got task views_of_a_function\nrenderExerciseTask views_of_a_function\nloading and rendering views_of_a_function\nloadExercise start views_of_a_function.html\nloadExercise got views_of_a_function.html\nloadExercise submod math\nloadModule mod /khan-exercises/utils/math.js\nloadModule mod /khan-exercises/utils/../third_party/raphael.js\nloadExercise submod math-format\nloadModule mod /khan-exercises/utils/math-format.js\nloadModule mod /khan-exercises/utils/expressions.js\nloadExercise submod graphie\nloadModule mod /khan-exercises/utils/graphie.js\nloadModule mod /khan-exercises/utils/kvector.js\nloadExercise submod interactive\nloadModule mod /khan-exercises/utils/interactive.js\nloadModule mod /khan-exercises/utils/../third_party/jquery.mobile.vmouse.js\nloadExercise submod answer-types\nloadExercise submod tmpl\nloadExercise submod tex\nloadExercise submod jquery.adhesion\nloadExercise submod calculator\nloadExercise submod /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadExercise finish views_of_a_function.html\nloaded views_of_a_function, now rendering\nloadModule mod /khan-exercises/utils/scratchpad.js\nstart of makeProblem\nchose problem type and seed for views_of_a_function\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; src undefined)\nrunning tmplLoad\nran tmplLoad\n(texLoad not a fn; src undefined)\n(jquery.adhesionLoad not a fn; src undefined)\n(calculatorLoad not a fn; src undefined)\n(mathLoad not a fn; src undefined)\n(../third_party/raphaelLoad not a fn; src undefined)\n(math-formatLoad not a fn; src undefined)\n(expressionsLoad not a fn; src undefined)\n(graphieLoad not a fn; src undefined)\n(kvectorLoad not a fn; src undefined)\n(interactiveLoad not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseLoad not a fn; src undefined)\ndone with runModules Load\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nMathJax done typesetting (-5\\hphantom{.0})\nMathJax done typesetting (1\\hphantom{.0})\nMathJax done typesetting (-4\\hphantom{.0})\nMathJax done typesetting (1\\hphantom{.0})\nMathJax done typesetting (0\\hphantom{.0})\nMathJax done typesetting (3\\hphantom{.0})\nMathJax done typesetting (4\\hphantom{.0})\nMathJax done typesetting (5\\hphantom{.0})\nMathJax done typesetting (5\\hphantom{.0})\nMathJax done typesetting (5\\hphantom{.0})\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\ndone with runModules\ndecided on answer type custom\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\nvalidator created\nloading and rendering views_of_a_function\nloaded views_of_a_function, now rendering\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(interactiveCleanup not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseCleanup not a fn; src undefined)\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(interactiveCleanup not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseCleanup not a fn; src undefined)\nstart of makeProblem\nchose problem type and seed for views_of_a_function\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; src undefined)\nrunning tmplLoad\nran tmplLoad\n(texLoad not a fn; src undefined)\n(jquery.adhesionLoad not a fn; src undefined)\n(calculatorLoad not a fn; src undefined)\n(mathLoad not a fn; src undefined)\n(../third_party/raphaelLoad not a fn; src undefined)\n(math-formatLoad not a fn; src undefined)\n(expressionsLoad not a fn; src undefined)\n(graphieLoad not a fn; src undefined)\n(kvectorLoad not a fn; src undefined)\n(interactiveLoad not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseLoad not a fn; src undefined)\ndone with runModules Load\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\ndone with runModules\ndecided on answer type custom\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\nvalidator created\nerror: Error while evaluating \"(function() { var guess = false;var e=0,r=0,t=[],a=0,n=Khan.answerTypes.predicate.createValidatorFunctional(function(e,n){var s=Khan.answerTypes.predicate.createValidatorFunctional(function(a,n){return abs(FUNC(e)-a)<n?(r+=1,t.push(e),!0):void 0},{forms:\\\"decimal\\\",inexact:!0,maxError:n}),i=s(guess[a][1]);return i.correct},{forms:\\\"decimal\\\",inexact:!0,maxError:CORRECTOFFSET});for(a=0;8>a;++a)\\\"\\\"!==$.trim(guess[a][0])&&\\\"\\\"!==$.trim(guess[a][1])&&(e+=1,n(guess[a][0]));if(5>e)return $._(\\\"You must enter 5 or more points\\\");t=KhanUtil.sortNumbers(t);for(var s=1,a=0;r-1>a;++a)t[a+1]-t[a]>=.5&&(s+=1);return s===e})()\"\nerror: TypeError: 'undefined' is not an object (evaluating 'guess[a][0]')\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\nerror: Error while evaluating \"(function() { var guess = false;var e=0,r=0,t=[],a=0,n=Khan.answerTypes.predicate.createValidatorFunctional(function(e,n){var s=Khan.answerTypes.predicate.createValidatorFunctional(function(a,n){return abs(FUNC(e)-a)<n?(r+=1,t.push(e),!0):void 0},{forms:\\\"decimal\\\",inexact:!0,maxError:n}),i=s(guess[a][1]);return i.correct},{forms:\\\"decimal\\\",inexact:!0,maxError:CORRECTOFFSET});for(a=0;8>a;++a)\\\"\\\"!==$.trim(guess[a][0])&&\\\"\\\"!==$.trim(guess[a][1])&&(e+=1,n(guess[a][0]));if(5>e)return $._(\\\"You must enter 5 or more points\\\");t=KhanUtil.sortNumbers(t);for(var s=1,a=0;r-1>a;++a)t[a+1]-t[a]>=.5&&(s+=1);return s===e})()\"\nerror: TypeError: 'undefined' is not an object (evaluating 'guess[a][0]')\nstartTask...\nstartTask got task computing-in-scientific-notation\nrenderExerciseTask computing-in-scientific-notation\nstartTask...\nstartTask got task views_of_a_function\nrenderExerciseTask views_of_a_function\nloading and rendering views_of_a_function\nloaded views_of_a_function, now rendering\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(interactiveCleanup not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseCleanup not a fn; src undefined)\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(interactiveCleanup not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseCleanup not a fn; src undefined)\nstart of makeProblem\nchose problem type and seed for views_of_a_function\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; src undefined)\nrunning tmplLoad\nran tmplLoad\n(texLoad not a fn; src undefined)\n(jquery.adhesionLoad not a fn; src undefined)\n(calculatorLoad not a fn; src undefined)\n(mathLoad not a fn; src undefined)\n(../third_party/raphaelLoad not a fn; src undefined)\n(math-formatLoad not a fn; src undefined)\n(expressionsLoad not a fn; src undefined)\n(graphieLoad not a fn; src undefined)\n(kvectorLoad not a fn; src undefined)\n(interactiveLoad not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseLoad not a fn; src undefined)\ndone with runModules Load\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\ndone with runModules\ndecided on answer type custom\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\nvalidator created\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)"}}