Please solve it using Matlab as shown in the table

Questions-2: (Mark 1, each part carries equal marks) For each of following functions, try to estimate a small interval in which it has its roots in. 1. f(x) = x3 - 3x + 4 and [a b] = [? ?]. 2. f(x) = 2x 1 and [a b] = [? ?]. Plot Q. No. 2 (Part-1) MATLAB Code Here Figure here Root description here ... Q. No. 2 (Part-2) MATLAB Code Here Plot Figure here Root description here