5. (9 Pts) Sketch the graph of the derivative of the function. f(x) ..:.. .. . . .'' . . . . . . .. . . .. . . . . . !.. .. .. . . .. . . ... . .. .'.. . . . . . . .... . . . . . . . . .. . ... . - 6 . . 1 4.. .. ..2. . . .. . . . . . . . . . . . .. . . . . . . . ; . . . . . . . . . . . .. ... . . . . .. . ." . ..$2 . . . . . . ." . : . . . . . . . . . . . . ." - . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . .. . . .. . . .. . . . 6. (9 Pts) Using the definition of derivative, find f'(x). f(x) = 3x2 7. (9 Pts) Find the derivative of f (x) = ~ + 8x3 8. Find the derivative. a) (7 Pts) y = -16x-3 b) (7 Pts) y = 4Vx x+3 c) (7 Pts) y = 2x2-4 d) (5 Pts) y = (3x4 + 2)5