Write the quadratic function in standard form f x x 18x 76 f x Sketch its graph 15 10 5 15 10 5 axis of symmetry x intercept x f x f x x f x 15 10 5 5 10 15 f x 15 10 5 5 10 5 15 5 10 10 15 15 X X 15 10 5 smaller x value 15 10 5 f x 15 10 5 5 10 15 O Identify the vertex axis of symmetry and x intercept s If an answer does not exist enter DNE vertex f x 15 10 5 5 10 15 5 5 10 10 15 15