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Image text transcribed for accessibility: [[MATLAB] Consider the systems System 1: w[n] = x[n] - x[n-1] - x[n-2], System 2: y[n] = cos(x[n]). Where x[n] is the input to each system, and w[n], y[n] are the corresponding outputs. Consider the three input signals x1[n] = delta[n], x2[n] = delta[n-1], x3[n] = (delta[n] + 2delta[n-1]). For System 1, store in w1, w2 and w3 the responses to the three inputs. The vectors w1, w2 and w3 need to contain the values of w[n] only on the interval 0 n 5. Plot the four functions represented by w1, w2, w3 and w1+2degreew2 within a single figure. Make analogous plot for system 2. From the plots, state whether or not each system is linear and time-invariant.

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