The graph of function f shown above consists of three quarter-circles.
Which of the following is (are) equivalent to
I.
II.
III.
(A) I only
(B) II only
(C) III only
(D) I and II only
(E) I, II, and III
The base of a solid is the first-quadrant region bounded by and each cross section
perpendicular to the x-axis is a semicircle with a diameter in the xy-plane. The volume of the
solid is
(A)
(B)
(C)
(D)
(E)
The average value of f (x) = 3 + |x| on the interval [−2, 4] is
