Barrons AP Calculus - David Bock

(C) −1

(D)

(E) 1

14. The equation of the tangent to the curve y = ex ln x, where x = 1, is
    (A) y = ex
    (B) y = ex + 1
    (C) y = e(x − 1)
    (D) y = ex + 1
    (E) y = x − 1


15. If the displacement from the origin of a particle moving along the x-axis is given by s = 3 + (t
    − 2)^4 , then the number of times the particle reverses direction is
    (A) 0
    (B) 1
    (C) 2
    (D) 3
    (E) none of these


16. equals

(A) 1 − e

(B)

(C) e − 1

(D)

(E) e + 1

17. If equals

(A) 7

(B)

(C)

(D) 9

(E)

18. If the position of a particle on a line at time t is given by s = t^3 + 3t, then the speed of the