Barrons AP Calculus - David Bock

(C)

(D) 1

(E) 3

40. How many points of inflection does the function f have on the interval 0 ≤ x ≤ 6 if

(A) 1

(B) 2

(C) 3

(D) 4

(E) 5

41. The graph shows the rate at which tickets were sold at a movie theater during the last hour
    before showtime. Using the right-rectangle method, estimate the size of the audience.
    (A) 230
    (B) 300
    (C) 330
    (D) 375
    (E) 420


42. At what point of intersection of f (x) = 4sin x and g(x) = ln (x^2 ) do their derivatives have the
    same sign?
    (A) −5.2
    (B) −4.0
    (C) −1.2
    (D) 2.6
    (E) 7.8