2 Question *
(1 Point)
2.7. Jon throws a ball into the air off a platform. The height of the ball is given by
y = -2x2 + 11x + 21, where y is the height, in feet, above the ground when the ball has traveled a
horizontal distance of x feet. What is the factored form of the expression that could be used
to find out how far the ball has traveled horizontally when it hits the ground?
A. (x + 7)(-2x + 3)
B. (x - 7)(-2x - 3)
C. (2x + 7)(x + 3)
D. (2x - 7)(x-3)