2. (10 points) Let f(x) = -x2 + 3x + 5 (3) Find f '(X) using f'(X)= itiEW' (b) Plot f(x) and your f'(x). Attach a screen shot. (c) For what values of x does f(x) have a gel, max or 321. min? ((1) Does your f '(X) = 0 when f(x) has a gelmax or gelmin? (yes or no) 3. (10 points) Let f(x) = x3 + 3x2 2x -5 (3) Find f '(x) using the power rule. (b) Plot f(x) and your f '(x) (c) For what values of x does f(x) have a gel, max or gel min? (d) Does your f '(x) = 0 when f(x) has a gamer); or gelmin? (yes or no)