Hi, can someone solve parts, a and b, and explain how to write this program? I am having a hard time understanding how to write a program that computes the derivative...

Stretch 1) A basic definition of the derivative is: f(x)=(f(x+h)f(x))/h a) Write a program that uses this definition to compute the derivative of f(x)=x3=xxx at x=20 with h=1014. (i.e., int x=20; double h= 1e14;; b) Compare this with the real derivative ( f(x)=3x2, so f(20)=1200) and explain to the TA why the computer does not return 1200. (You can play around with the value of "h" if you want to see different results.)