circumference C of a circle is a function of its radius given by C (r) = 2r. xpress the radius of a circle as a function of its circumference. Call this function r (C). er the exact answer. lose numerators and denominators in parentheses. For example, (a – b)/ (1+ n). (C) = Find r (287) and interpret its meaning. (287) = Number O The radius of a circle with a circumference of 28T is r (287). O The radius of a circle with a circumference of r (287n) is 287.

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