Fundamental Properties of Differentiation (College Board AP® Calculus BC): Multiple Choice Questions

57 mins34 questions
1
1 point

If f(x)=cos x, then f'(π3)=

  • −32

  • −12

  • 12

  • 32

2
1 point

If y=exx, then dydx=

  • e

  • ex(x−1)x2

  • ex(x+1)x2

  • 0

3
1 point

If f(x)=x(3x−7), then f'(x)=

  • −7

  • 3

  • 3x−7

  • 6x−7

4
1 point

If y=sec x, then dydx=

  • −csc2 x

  • −cot x csc x

  • tan x sec x

  • sec2 x

5
1 point

x

f(x)

f'(x)

g(x)

g'(x)

2

4

-5

-2

3

3

1

2

-3

6

The table above gives values of the differentiable functions f and g and their derivatives at selected values of x. If h is the function defined by h(x)=f(x)g(x)+3f(x) then h'(2)=

  • 7

  • 17

  • -30

  • 24

1
1 point

If y=xcosx, then dydx=

  • cosx−sinx

  • cosx+xsinx

  • cosx−xsinx

  • x(cosx−sinx)

2
1 point

If f(x)=6−5x−lnx, then f'(1)=

  • −3

  • −4

  • −5

  • −6

3
1 point

The function f is defined by f(x)=xx+3. What points (x, y) on the graph of f have the property that the line tangent to f at (x, y) has slope 13?

  • (0, 0) only

  • (13, 110) only

  • (0, 0) and (6, 23)

  • (0, 0) and (−6, 2)

4
1 point

Let f and g be differentiable functions with the following properties:

f(x)>0 for all x

g(5)=3

If h(x)=f(x)g(x) and h'(x)=f'(x)g(x), then g(x)=

  • g'(x)

  • f(x)

  • 3

  • 5

5
1 point

If f(x)=tan(3x), then f'(π18)=

  • 3

  • 23

  • 4

  • 12

6
1 point

An equation of the line tangent to the graph of y=x+sin x at the point (0, 0) is

  • y=0

  • y=x

  • y=x+2

  • y=2x

7
1 point

If y=x2ln x, then dydx=

  • 2x2

  • xln x

  • x(2 ln x+1)ln2x

  • x(2 ln x−1)ln2x

8
1 point

If f(x)=3x+24x−7, then f'(x)=

  • 24x−13(4x−7)2

  • 29(4x−7)2

  • −29(4x−7)2

  • 34

9
1 point

If y=x3 cos 3x, then dydx=

  • 3x2 sin 3x

  • −3x2 sin 3x

  • 3x2(cos 3x+x sin 3x)

  • 3x2(cos 3x−x sin 3x)

1
1 point

What is the instantaneous rate of change at x=3 of the function f given by f(x)=x2−5x−4?

  • −10

  • −2

  • −110

  • 10

2
1 point

limh→0tan 5(x+h) − tan(5x)h=

  • 0

  • 5sec2(5x)

  • sec2(5x)

  • 5cot(5x)

3
1 point

If f(x)=x2x, which of the following is not correct.

  • f'(12)=32

  • f'(1)=322

  • f'(2)=223

  • f'(3)=362

4
1 point

Let f be a differentiable function with f(3)=18 and f'(3)=9, and let g(x)=ln x f(x). Which of the following is an equation of the line tangent to the graph of g at the point where x=3?

  • y−18=9(x−3)

  • y−19.8=15.9(x−3)

  • y−19.8=9(x−3)

  • y−19.8=−3.89(x−3)

5
1 point

For which value of x do the graphs of y=(ln x)2 and y=x+1ex have parallel tangent lines?

  • 0.726

  • 1.079

  • 1.544

  • 2.346