Question: Write a user-defined MATLAB function for the following math function: y(x) = (- 0.2x3 + 7x2)e-0.3x The input to the function is x and the

Write a user-defined MATLAB function for the following math function:
y(x) = (- 0.2x3 + 7x2)e-0.3x
The input to the function is x and the output is y. Write the function such that x can be a vector (use element-by-element operations).
(a) Use the function to calculate y(-1.5) and y(5).
(b) Use the function to make a plot of the function y(x) for -2 < x < 6.

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