👤

PLEASE HELP PO WITH PARABOLA GRAPH HUHU
1. The cross section of a large parabolic microphone can be molded by the equation y ^ 2 = 116x. What is the length of the feedhorn
2. A spotlight in a form of a paraboloid 9 inches deep has its focus 3 inches from the vertex. Determine the radius r of the opening of the spotlight.