Barrons AP Calculus - David Bock

9. The maximum value of the function f (x) = x^4 − 4x^3 + 6 on [1, 4] is
   (A) 1
   (B) 0
   (C) 3
   (D) 6
   (E) none of these


10. Let if x ≠ 5, and let f be continuous at x = 5. Then c =

(A)

(B) 0

(C)

(D) 1

(E) 6

(A) −1

(B)

(C) 0

(D)

(E) 1

12. If sin x = ln y and 0 < x < π, then, in terms of x, equals

(A) esin x cos x

(B) e−sin x cos x

(C)

(D) ecos x

(E) esin x

13. If f (x) = x cos x, then equals

(A)

(B) 0