What are the answer to the MC?

46) If a function is continuous on the closed interval [a,b] and differentiable on the open interval (a,b), which of the following theorems might not be satisfied? 1. Mean Value Theorem 1. Rolle's Theorem III. Extreme Value Theorem A) II, only B) 1. only C) I and III, only D) III, only 47) Jim is A2v7 B) VT C) -2V/7 DIO 48) The height of a triangle is increasing at a rate of 3 inches per minute while the base of the triangle is decreasing at a rate of 2 inches per minute. At the instant when the height is 8 inches and the base is 4 inches, what is the rate of change of the area of the triangle? A) 2 in. / mir B) 14 in. /min C) 3 in. /min DJ -2 in. /min 49) For what value of & will f(x) = >2 + + have a relative minimum at x = 2? A) -16 B) 16 D) 2 50) The area of a circle is increasing at a rate of 4 ft /min. How fast is the radius of this circle increasing at the instant the area is 16t ft ? A) 2 ft/min BJ = ft/min C) _ ft/min D) = ft/min