Chapter3: Functions
Section3.7: Inverse Functions
Problem 46SE: The circumference C of a circle is a function of its radius given by C(r)=2r. Express the radius of...
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The circumference C of a
a. Express the radius of a circle as a function of its circumference. Call this function r(C).
Enter the exact answer.
Enclose numerators and denominators in parentheses. For example, (a−b)/(1+n).
r(C)=
b. Find r(20π) and interpret its meaning.
r(20π)=
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