Question

A ball is thrown into the air with an initial upward velocity of 46ft/s. Its height (h) in feet after t seconds is given by the function h=-16t^2+46t+6. After how many seconds will the ball hit the ground?

A.3
B.4
C.5
D.6

Answer 1

After three seconds, the ball will make impact with the ground. Hence, option A is correct. Hope we helped! :D

Answer 2

The answer is A: 3 feet; this answer can be obtained by finding the zeros of the equation above.