(C) 0
(D) 3
(E)
BC ONLY- If f (x) = 5x and 51.002 5.016, which is closest to f ′(1)?
(A) 0.016
(B) 1.0
(C) 5.0
(D) 8.0
(E) 32.0 - If y = ex (x − 1), then y ′′(0) equals
(A) −2
(B) −1
(C) 0
(D) 1
(E) none of these - If x = eθ cos θ and y = eθ sin θ, then, when is
(A) 1
(B) 0
(C) eπ/2
(D) nonexistent
(E) −1
BC ONLY- If x = cos t and y = cos 2t, then is
(A) 4 cos t
(B) 4
(C)
(D) −4
(E) −4 cot t