1. Consider the function f(x)--2 2.75182 -21 12 a) Plot the graph of f() in MATLAB and find all the roots of the function f(x) graphically. e function with the bisection method on the interval c) How many iterations on the interval -1, 0 are needed with the bisection method to obtain d) Find all the roots applying MATLAB's built-in procedure. Include the MATLAB code Provide the code and the plot you obtained [1: 0] for a stopping criterion of 1% the true error of the first root less than 10-8 used and the output obtained