Barrons AP Calculus - David Bock

(C) 2

(D) 1

(E) 0

9. A particular solution of the differential equation whose slope field is shown above contains
   point P. This solution may also contain which other point?
   (A) A
   (B) B
   (C) C
   (D) D
   (E) E


10. Let. Which of the following statements is (are) true?

I. The domain of F is x ≠ ±1.

II. F(2) > 0.

III. The graph of F is concave upward.

(A) none

(B) I only

(C) II only

(D) III only

(E) II and III only

11. As the tides change, the water level in a bay varies sinusoidally. At high tide today at 8 A.M.,
    the water level was 15 feet; at low tide, 6 hours later at 2 P.M., it was 3 feet. How fast, in feet
    per hour, was the water level dropping at noon today?
    (A) 3
    (B)