Question

Amir stands on a balcony and throws a ball to his dog, who is at ground level.

The ball's height (in meters above the ground), 3 seconds after Amir threw it, is modeled by
h(x) = -(x + 1)(x - 7)
How many seconds after being thrown will the ball reach its maximum height?
seconds

Answer 1

3 seconds

Explanation:

Answer 2

Answer: At 3 seconds the ball will reach its maximum height of 16 meters

Step-by-step explanation: -(3 + 1)(3-7) = (-3 -1)(3-7) = (-4)(-4) = 16 so 16 meters