Julie and Annie each throw a softball into the air. The function f, where f(x)=3+18x−5x2, gives the height of Julie's softball, in meters, x seconds after throwing the ball. The graph represents the height of Annie's softball, in meters, x seconds after throwing the softball.

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x