Question

1. (a) Let f(x) = xe-* Find f'(x) and simplify your answer. [4 points) (b) Let y=z® log2(x). Find dy and simplify. [4 points) [5 points) 8 - V163 , if 374 (c) For x > 0 let h(2) = 2 - k if x = 4 Find the value of the constant k that makes h continuous at x = 4.