Graph the function.
[-X + 1, -10
6. f(x) = x2-9, -3
(2x+1, 3

Answer:
2x2 - 5x - 12 = 0.
(2x + 3)(x - 4) = 0.
2x + 3 = 0 or x - 4 = 0.
x = -3/2, or x = 4.