Question

Jamal throws a golf ball straight up from a height of 5 feet and at a speed of 75 feet per second. The height of the ball in feet is given by the polynomial

−16t^2 + 75t + 5, where t is the time in seconds. How high is the ball after 4 seconds?

Answer 1

49 ft.

Explanation:

-16[4]² + 75[4] + 5

-16[16] + 300 + 5

-256 + 300 + 5 = 49

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