An outfielder throws a baseball to the player on third base. The height h of the ball in feet is modeled by the function h(t) = -16t2 + 19t + 5, where t is time in seconds. The third baseman catches the ball when it is 4 feet above the ground. To the nearest tenth of a second, how long was the ball in the air before it was caught?

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4 = -16t2 + 19t + 5
16t2 - 19t - 1 = 0
solve this for t

zeros of this are 1.23 and - 0.23
t must be positive so the required time is 1.2 seconds

Okay so since its 1.2s can you help me with the next part?

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