Sanjay graphs a quadratic function that has x-intercepts of -3 and 7. Which functions could he have graphed? Check all that apply.
9(1) = 12
• 4x-21
U 9(1) = (x - 3)(x + 7)
(1) = 312 - 12x - 63
9(1) = -(x + 3)(x - 7)
g(x) = 12 + 4x - 21