The circumference C of a circle is a function of its radius given by C(r) = 27. 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). T (C) sin (a) a b. Find r (22m) and interpret its meaning. r (22m) = Number The radius of a circle with a circumference of r (22m) is 22m. The radius of a circle with a circumference of 22m is r (22m).

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