1) Which of the following equations represent a quadratic function? A2y+ 3 = x C.y=5x² - 5 B.y=-2 + 3x D.y= 2^x-3 2) What is the graph of a quadratic function? A straight line C parabola B circle D. hyperbola 3)____is a function defined by f (x) = ax + bx + c.where a, b, and c are real numbers and a=0. A Linear function C. Exponential function B. Inverse function D Quadratic function