Test #1 - Math 122 Precalculus 1. [15 points] Let P(x) = 2x2 - 20x + 48 a. Write the equation of P(x) in standard/ vertex form. b. State the coordinate of the vertex of P(x). c. Find the x and y intercepts of P(x). d. Using the coordinates from b and c, sketch the graph of P(x). 2. [7 points] Let f (x) = x2 +4x - 22 a. Find f (x + h) in simplest form b. Using your answer from part a, find the difference quotient, f(xth)-f(x) , in simplest form