Unit 3 Practice Test

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CCSS.HSA.APR.D.6

Front

If Asanji takes 8 hours to dig a hole and Brenda takes 9 hours, how long will it take them to dig the hole together?

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It will take them approximately 4.24 hours.

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CCSS.HSA.CED.A.1

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Heather can pour a driveway in 7 hours and Alberto in 8 hours. How long will it take them to pour the driveway together?

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It will take them approximately 3.73 hours.

Tags

CCSS.HSA.CED.A.1

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Back

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CCSS.HSA.APR.D.6

Front

What is a rational function?

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A rational function is a function that can be expressed as the quotient of two polynomials.

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CCSS.HSF-IF.C.7D

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Define the term 'asymptote' in relation to rational functions.

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An asymptote is a line that a graph approaches but never touches.

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CCSS.HSF-IF.C.7D

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What is the significance of the degree of a polynomial in determining the end behavior of a rational function?

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The degree of the polynomial in the numerator and denominator determines the end behavior and horizontal asymptotes of the rational function.

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CCSS.HSF-IF.C.7D

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How do you find the x-intercepts of a rational function?

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Set the numerator equal to zero and solve for x.

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CCSS.HSF-IF.C.7D

Front

What is the process for finding vertical asymptotes of a rational function?

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Set the denominator equal to zero and solve for x.

Tags

CCSS.HSF-IF.C.7D

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Explain the concept of 'work rate' in the context of combined work problems.

Back

Work rate is the fraction of the work done per unit of time, often expressed as '1/time'.

Tags

CCSS.HSA.CED.A.1