ilovedogs33 ilovedogs33 21-12-2016 Mathematics contestada If f(x) is differentiable for the closed interval [-4, 0] such that f(-4) = 5 and f(0) = 9, then there exists a value c, -4 < c < 0 such that a. f(c) = 0 b. f '(c) = 0 c. f (c) = 1 d. f '(c) = 1