(C)
(D)
(E)
- cot x dx equals
(A)
(B) ln 2
(C)
(D)
(E) none of these
- Given f ′ as graphed, which could be a graph of f?
(A) I only
(B) II only
(C) III only
(D) I and III
(E) none of these
- The first woman officially timed in a marathon was Violet Piercey of Great Britain in 1926.
Her record of 3:40:22 stood until 1963, mostly because of a lack of women competitors. Soon
after, times began dropping rapidly, but lately they have been declining at a much slower rate.
Let M(t) be the curve that best represents winning marathon times in year t. Which of the
following is (are) negative for t > 1963?
I. M(t)
II. M ′(t)
