30.(A)
(B)
(C)
(D)
(E)31.
(A)
(B)
(C)
(D)
(E)
32.
(A)
(B)
(C)
(D)
(E)33.
(A)
(B)
(C)
(D)
(E)
34.BC ONLY
If x = t 2 − 1 and y = t 4 − 2t 3 , then, when t = 1, is
1
−1
0
3If f (x) = 5x and 51.002 5.016, which is closest to f ′(1)?
0.016
1.0
5.0
8.0
32.0If y = e x(x − 1), then y′′(0) equals
−2
−1
0
1
eBC ONLY QUESTIONS 33–34
If x = eθ cos θ and y = eθ sin θ, then, when is
1
0
eπ/2
nonexistent
−1If x = cos t and y = cos 2t, then (sin t ≠ 0) is