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5.7 Exercise 85

Avg difficulty 2.5

Determine the function described and then use it to answer the question.

The surface area, A, A , of a sphere in terms of its radius, r, r , is given by A(r)=4π r 2 . A \left(r\right) = 4 \pi r^{2} . Express r r as a function of A, A , and find the radius of a sphere with a surface area of 1000 square inches.

OpenStax Algebra and Trigonometry 2e, 5.7 Inverses and Radical Functions, exercise 85

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.