The circumference C of a circle is a Jnction of its radius given by C (r) = 21W. 3. Express the radius of a circle as a function of its circumference. Call this function r {0). Enter the exact answer. Enclose numerators and denominators in parentheses. For example, (a. 5M (1 + 11). 1'03}: ED I). Find r(241r) and interpret its meaning. 11247;) = Number .3 The radius of a circle with a circumference of 2411' is 1*(2411'). O The radius of a circle with a circumference of \"r {241T} is 241T