The circumference C of a circle is a function of its radius by C(r) = 2mr. Express the radius of a circle as a function of its circumference. Call this function r(C). T(C) = Preview Find r(10TT). r(107) = Interpret the meaning: O When the circumference is 107, the radius is r(107) O When the radius is 107, the circumference is r(107) Get Help: VIDEO Points possible: 1 License This is attempt 1 of 3.A stuffed animal business has a total cost of production C(x) = 5x + 50 and a revenue function R(x) = 15x. Find the break even point. Break even at c = where R(r) = C(x) = $ Get Help: VIDEO Written Example Points possible: 1 License This is attempt 1 of 3. Submit