For each of the following functions f(x) , find f'(x) , the

For each of the following functions f(x) , find f'(x) , the intervals in which f(x) is decreasing, and the intervals in which f(x) is increasing.a. x^(3/2) (x-1) , for x>0 b. x^(3/4)-2x^(7/4) , for x>0