The function f (x) = x^5 + 3x − 2 passes through the point (1, 2). Let f −1 denote the inverse of f.
Then (f −1) ′(2) equals
(A)
(B)
(C) 1
(D) 8
(E) 83
(A)
(B)
(C)
(D)
(E)
- Which of the following statements is (are) true about the graph of y = ln (4 + x^2 )?
I. It is symmetric to the y-axis.
II. It has a local minimum at x = 0.
III. It has inflection points at x = ±2.
(A) I only
(B) II only
(C) III only
(D) I and II only
(E) I, II, and III - Let sin πx. Then f (3) =
(A) −3π
(B) −1
(C) 0
(D) 1
(E) 3π