Use a parabola tool to graph the quadratic function f (x) = -x^2 + 4
Graph the parabola by first plotting it for its vertex and then plotting a second point on the parabola.

please help me out i’ll give you the brainiest! if you could include a photo that would be great! :)

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