25.
(A)
(B)
(C)
(D)
(E)
26.
(A)
(B)
(C)
(D)
(E)
27.
(A)
(B)
(C)
(D)
(E)
28.
(A)
(B)
(C)
(D)
(E)
29.
BC ONLY
If x = t^2 + 1 and y = 2t^3 , then =
3 t
6 t 2
If f (x) = x^4 − 4x^3 + 4 x^2 − 1, then the set of values of x for which the
derivative equals zero is
{1, 2}
{0, −1, −2}
{−1, +2}
{0}
{0, 1, 2}
If f (x) = 16 , then f ′′(4) is equal to
−32
−16
−4
−2
−
If f (x) = ln x^3 , then f ′′(3) is
−
−1
−3
1
3
If a point moves on the curve x^2 + y^2 = 25, then, at (0, 5), is