Cracking The Ap Calculus ab Exam 2018

(D)

33.At what times, t, are the x- and y-components of the particle’s velocity equal if the curve is

represented by  x   =   2t^3    +   3t^2    −   5   and y   =   t^4     −   4t^3    +   7t^2?

(A)t    =   

(B)t    =   4

(C)t    =   0   and t   =   

(D)t    =   0,  t   =       and t   =   4

34.Find the equation of the line tangent to the graph of y = 2x − 3x + 5 at x = 8.

(A)y    =   

(B)y    =   

(C)y    =   

(D)y    =   

35.Which point on the curve y = 5x^3 − 12x^2 − 12x + 64 has a tangent that is parallel to y = 3 ?

(A)(2,  32)

(B)

(C)

(D)