Methods of Integration (College Board AP® Calculus AB)

Exam Questions

1 hour30 questions
1
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2 marks

Solve the indefinite integral integral open parentheses 2 x squared minus 5 close parentheses open parentheses 2 x cubed minus 15 x plus 3 close parentheses to the power of 5 space d x.

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2
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3 marks

Suppose that f is a continuous function on the interval open parentheses 3 comma space infinity close parentheses.

It is given that f open parentheses 7 close parentheses equals 3 and f to the power of apostrophe open parentheses x close parentheses equals fraction numerator 5 over denominator square root of x minus 3 end root end fraction. Find an expression for f open parentheses x close parentheses.

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3
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2 marks

Solve the indefinite integral integral fraction numerator 1 over denominator x squared minus 8 x plus 17 end fraction space d x.

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4
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2 marks

Solve the indefinite integral integral fraction numerator x cubed minus 3 x squared minus 11 x plus 25 over denominator x minus 4 end fraction space d x.

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5
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3 marks

Let f be a continuous function defined by f open parentheses x close parentheses equals open curly brackets table row cell e to the power of negative 3 x end exponent end cell cell x less than 0 end cell row cell sin open parentheses fraction numerator x plus pi over denominator 2 end fraction close parentheses end cell cell x greater or equal than 0 end cell end table close

Find the exact value of integral subscript negative pi end subscript superscript pi f left parenthesis x right parenthesis italic d x.

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1
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3 marks

Find the value of integral subscript 0 superscript 4 x square root of 16 minus x squared end root space d x.

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2
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3 marks

Show that integral subscript 1 superscript square root of 3 end superscript fraction numerator 1 over denominator open parentheses 1 plus x squared close parentheses arctan x end fraction space d x equals ln open parentheses a over b close parentheses, where a and b are integers to be found.

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3
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3 marks

Solve the indefinite integral integral fraction numerator 12 over denominator square root of 12 minus 4 x minus x squared end root end fraction space d x.

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4
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3 marks

Let the function f be defined by f open parentheses x close parentheses equals x squared sec squared open parentheses x cubed close parentheses.

Let g be a function whose derivative is given by g to the power of apostrophe open parentheses x close parentheses equals f open parentheses x close parentheses on the interval open square brackets 0 comma space 1 close square brackets.

Given that g open parentheses 0 close parentheses equals pi, find g open parentheses 1 half close parentheses.

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5
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3 marks

Find the value of integral subscript negative 1 end subscript superscript 1 fraction numerator 2 x plus 3 over denominator x squared plus 2 x plus 2 end fraction d x. Give the answer in the form ln open parentheses a close parentheses plus arctan open parentheses b close parentheses, where a and b are constants to be found.

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1a
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2 marks

Water is pumped into a swimming pool at a constant rate of 10 gallons per minute. Water leaks out of the pool at the rate of fraction numerator 3 t plus 13 over denominator t plus 5 end fraction gallons per minute, for 0 less or equal than t less or equal than 180 minutes. At the time t equals 0, the swimming pool contains 15 gallons of water.

How many gallons of water leak out of the swimming pool from time t equals 0 to t equals 5 minutes?

1b
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1 mark

How many gallons of water are in the swimming pool at time t equals 5 minutes?

1c
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3 marks

Write an expression for V open parentheses t close parentheses, the total number of gallons of water in the swimming pool at time t. Write the function in the form a plus b t plus k ln open parentheses f open parentheses t close parentheses close parentheses, where a, b and k are constants to be found and f is a function of t.

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2
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4 marks

Let f be a function defined by f open parentheses x close parentheses equals open curly brackets table row cell fraction numerator x over denominator 4 x squared plus 1 end fraction end cell cell x less than 0 end cell row cell x e to the power of x squared plus 1 end exponent end cell cell x greater or equal than 0 end cell end table close

Find the exact value of integral subscript negative 1 end subscript superscript 2 f open parentheses x close parentheses italic d x.

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3
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4 marks

Solve the indefinite integral integral fraction numerator 2 x cubed minus x squared plus 10 x minus 1 over denominator x squared plus 4 end fraction italic d x.

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4
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2 marks
Graph of function g resembling a triangle with a peak at (0, 2), extending from x = -4 to x = 6 on a Cartesian plane, labelled axes.

Let g be the piecewise-linear function defined on open square brackets negative 4 comma space 6 close square brackets whose graph is given above. Let f open parentheses x close parentheses equals g open parentheses x close parentheses plus sin open parentheses fraction numerator pi x over denominator 4 end fraction close parentheses e to the power of cos open parentheses fraction numerator pi x over denominator 4 end fraction close parentheses end exponent.

Find integral subscript negative 4 end subscript superscript 6 f open parentheses x close parentheses d x.

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5
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3 marks

Solve the indefinite integral integral fraction numerator e to the power of x over denominator square root of 8 plus 2 e to the power of x minus e to the power of 2 x end exponent end root end fraction italic d x.

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