Riemann Sums & Definite Integrals (College Board AP® Calculus AB): Exam Questions

2 hours52 questions
1
Sme Calculator
1 mark

1e(3x21x) dx=

  • 3e1e

  • 3e2e

  • 3e2252

  • 3e21

2
Sme Calculator
1 mark

0xcost dt=

  • cosx

  • cosx1

  • sinx

  • sinx1

3
Sme Calculator
1 mark

If f is a function such that its derivative f' is continuous on [0, p], then 0pf'(x) dx=

  • f(p)f(0)

  • |f(p)f(0)|

  • f(p)

  • f(x)+C

4
Sme Calculator
1 mark

t (hours)

3

7

10

14

R(t)

(liters/hour)

5.2

5.0

4.6

4.2

A tank contains 450 liters of water at time t=3 hours. Water is being pumped out of the tank at a rate R(t), where R(t) is measured in liters per hour, and t is measured in hours. Selected values of R(t) are given in the table above. Using a right Riemann sum with three subintervals and data from the table, what is the approximation of the number of liters of water that are in the tank at time t=14 hours?

  • 50.6

  • 54.2

  • 397.6

  • 399.4

5
Sme Calculator
1 mark
Line graph with four points (-2, 3), (-1, 1), (1, 2) and (3, -2) connected by line segments. They intersect the axes at (0, 3/2) and (2, 0). Title below reads "Graph of f".

The graph of the piecewise linear function f is shown in the figure above. If g(x)=1xf(t) dt, which of the following values is the greatest?

  • g(2)

  • g(0)

  • g(2)

  • g(3)

6
Sme Calculator
1 mark

121x3dx=

  • 154

  • 38

  • 38

  • 3ln2

7
Sme Calculator
1 mark
A graph showing a sinusoidal wave through the origin, extending horizontally from 0 to 8, labelled as "Graph of f" with x and y axes. The graph starts as positive and crossed the x-axis at 1, 3, 5 and 7.

The function f is continuous on the interval [0, 8]. The figure above shows the graph of f. Let g be the function defined by g(x)=4xf(t)dt. On what intervals is g decreasing?

  • [0, 2] and [4, 6] only

  • [0, 1], [3, 5] and [7, 8]only

  • [1, 3] and [5, 7] only

  • [2, 4] and [6, 8] only

8
Sme Calculator
1 mark

If 010f(x)dx=23 and 1510f(x)dx=5, what is the value of 015f(x)dx?

  • -28

  • -18

  • 18

  • 28

9
Sme Calculator
1 mark

x

0

1

2

3

f(x)

1.25

0.45

-2.15

-5.75

f'(x)

-1.05

-3.15

1.95

2.65

f is a function such that f' is continuous on the interval [0, 3]. The table above gives the value of the function f and its derivative at selected values of x.

03f'(x)dx=

  • -7

  • -3.7

  • 3.7

  • 7

10
Sme Calculator
1 mark

0π3cosxdx=

  • 32

  • 12

  • 12

  • 32

1
Sme Calculator
1 mark

x

0

2

6

9

f(x)

20

10

50

70

The function f is continuous on the closed interval [0. 9] and has values that are given in the table above. Using a trapezoidal sum with three subintervals and the values from the table, what is the approximation of 09f(x) dx?

  • 250

  • 290

  • 330

  • 370

2
Sme Calculator
1 mark

If F(x)=0xt3+9 dt, then F'(3)=

  • -6

  • -3

  • 3

  • 6

3
Sme Calculator
1 mark

What are all the values of k for which 4kx2 dx=0?

  • -4

  • 0

  • 4

  • -4 and 4

4
Sme Calculator
1 mark

If 312f(x) dx=7 and 63f(x) dx=2, then 612f(x) dx=

  • -5

  • 5

  • 9

  • 10

5
Sme Calculator
1 mark

If a trapezoidal sum underapproximates 04f(x) dx, and a left Riemann sum overapproximates 04f(x) dx, which of the following could be the graph of y=f(x)?

  • Graph showing a decreasing, concave up curve on a coordinate plane. The x-axis ranges from 0 to 4 and the y-axis from 0 to 4.
  • Graph showing n increasing, concave down curve on a coordinate plane. The x-axis ranges from 0 to 4 and the y-axis from 0 to 4.
  • Graph showing a decreasing, concave down curve on a coordinate plane. The x-axis ranges from 0 to 4 and the y-axis from 0 to 4.
  • Graph showing a increasing, concave up curve on a coordinate plane. The x-axis ranges from 0 to 4 and the y-axis from 0 to 4.
6
Sme Calculator
1 mark

If f(x)=mx+b and c<x<d then cdf''(x)dx=

  • 0

  • dc

  • m(dc)

  • md

7
Sme Calculator
1 mark

Let F(x) be an antiderivative of sinx(1+cosx)2. If F(1)=2, then F(3)=

  • -0.782

  • 1.218

  • 2.000

  • 3.218

8
Sme Calculator
1 mark

For π2<x<π2, if f(x)=x0sec2tdt then f'(x)=

  • sec2x

  • sec2x

  • 1sec2x

  • tanx

9
Sme Calculator
1 mark
Graph of a piecewise function with three segments, crossing points at (-2, 3), (-1, 0), (0, 1), (1, 2), (2, 0) and (3, -2)on the xy-plane.

The graph of a piece-wise linear function f is shown above for 2x3. What is the value of 23f(x)dx?

  • 1.5

  • 3.5

  • 4.5

  • 5.5

1
Sme Calculator
1 mark

Which of the following is equivalent to the definite integral 23x2 dx?

  • limnk=1n3n(3kn)2

  • limnk=1n5n(5kn)2

  • limnk=1n3n(3kn2)2

  • limnk=1n5n(5kn2)2

2
Sme Calculator
1 mark
Graph of a continuous function f which is positive between x=0 and x=5, crosses the x-axis at x=5, and is negative between x=5 and x=9

The graph of a differentiable function f is shown above. If h(x)=0xf(t) dt, which of the following is true?

  • h(5)<h'(5)<h''(5)

  • h'(5)<h(5)<h''(5)

  • h''(5)<h(5)<h'(5)

  • h''(5)<h'(5)<h(5)

3
Sme Calculator
1 mark
A graph of a straight line, starting at a positive value of y when x=0, then sloping downwards to cross the x-axis and continue on into negative values of y

The figure above shows the graph of f. If f(x)=3xg(t) dt, which of the following could be the graph of y=g(x)?

  • A graph of a constant function (horizontal line) above the x-axis
  • A graph of a constant function (horizontal line) below the x-axis
  • A graph of a straight line, starting at the origin and increasing to the right with a positive slope
  • A graph of a quadratic function, starting at the origin and going down below the x-axis, before curving back upwards, crossing the x-axis, and continuing to increase
4
Sme Calculator
1 mark

If f'(x)<0 for all real numbers x and 36f(t) dt=0, which of the following could be a table of values for the function f?

  • x

    f(x)

    3

    5

    5

    2

    6

    0

  • x

    f(x)

    3

    5

    5

    -1

    6

    3

  • x

    f(x)

    3

    5

    5

    8

    6

    9

  • x

    f(x)

    3

    5

    5

    1

    6

    -2

5
Sme Calculator
1 mark

Let f be a continuous function. If G(x) is an antiderivative for f(x) and G(7)=3, then G(1)=

  • f'(1)

  • 17f(t) dt

  • 17(12+f(t)) dt

  • 3+17f(t) dt

6
Sme Calculator
1 mark

kis a constant. If 0k(2kx3+5x4)dx=48, then k=

  • 2

  • 245

  • 245

  • 2

7
Sme Calculator
1 mark

05|x4|dx=

  • 172

  • 152

  • 152

  • 172

8
Sme Calculator
1 mark
Graph of function f, showing an upward curve starting at point (0,1), with x-axis labelled 0 to 4. The function is increasing and concave up.

The graph of the function f is shown above for 0x4. Which of the following has the greatest value?

  • Left Riemann sum approximation of 04f(x)dx with 4 subintervals of equal length

  • Midpoint Riemann sum approximation of 04f(x)dx with 4 subintervals of equal length

  • Right Riemann sum approximation of 04f(x)dx with 4 subintervals of equal length

  • Trapezoidal sum approximation of 04f(x)dx with 4 subintervals of equal length

9
Sme Calculator
1 mark

ddx(0x31t4+1dt)=

  • 3x2x4+1

  • 1x12+1

  • 3x2x12+1

  • 6x5x12+1

10
Sme Calculator
1 mark

Let f be the function given by f(x)=0xcos(t2)dt for 1x1.5. On which of the following intervals is f increasing?

  • 1x0

  • 1x1.253

  • 0x1.5

  • 1.355x1.5