Need help asap 15-16

15- SUPPOSe there is a function 17):) such that f'(x) :> 0 and f\"(x)

15. Suppose there is a functionf(x) such that f' (x) > 0 and f" (x) < 0 for all real values of x. Which one of the following could represent the graph off(x)? a) c) b) d) Y 16. Letf(x) be a function such that lim be true? f(x) is continuous at x = 2 f(x) is differentiable at x = 2 II. The derivative off(x) is continuous at x = 2 o = 5. Which of the following must d) land Ill only c) land II only b) II only a) I only e) II and Ill only