You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "investment_profit", "description": "Calculates the profit from an investment based on the initial amount, annual return rate, and time.", "parameters": {"amount": {"description": "The initial investment amount.", "type": "float"}, "rate": {"description": "The annual return rate expressed as a decimal.", "type": "float"}, "years": {"description": "The number of years the investment is held.", "type": "int"}}}, {"name": "integrate", "description": "Calculate the area under a curve for a specified function between two x values.", "parameters": {"function": {"description": "The function to integrate, represented as a string. For example, 'x^3'", "type": "str", "default": "trapezoid"}, "start_x": {"description": "The starting x-value to integrate over.", "type": "int", "default": "trapezoid"}, "end_x": {"description": "The ending x-value to integrate over.", "type": "int"}, "method": {"description": "The method of numerical integration to use. Choices are 'trapezoid' or 'simpson'.", "type": "str"}}}]
What will be the profit from investing $7500 at a 4.5% annual return rate for 6 years, and also the area under the curve '3x^2 - 2x + 1' from x=2 to x=5 using the trapezoidal rule?
user
assistant
[{"name": "investment_profit", "arguments": {"amount": 7500, "rate": 0.045, "years": 6}}, {"name": "integrate", "arguments": {"function": "3*x**2 - 2*x + 1", "start_x": 2, "end_x": 5, "method": "trapezoid"}}]