Use MATLAB functions and write complete program to answer question.

3) [4 pts] Consider the polynomial y = 2x3-9x2 + 2 a) Create a function file called 'fun' that accepts x as an input and returns above polynomial y. Use your function for next parts b) Plot y using fplot over the range-2sxs 5 c) Find a zero of the function d) Find the minimum point