OpenStax, Algebra and Trigonometry 2e §3.7 Inverse Functions · Exercise 51 · Algebra · Functions

Inverse Functions · Exercise 51

The circumference $C$ of a circle is a function of its radius given by $C (r) = 2 π r .$ Express the radius of a circle as a function of its circumference. Call this function $r (C) .$ Find $r (36 π)$ and interpret its meaning.

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OpenStax, Algebra and Trigonometry 2e · §3.7 Inverse Functions · Exercise 51

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