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Standing on the top of a house 48 feet above the ground, Matt shoots a trick basketball shot upward according to the equation h = -16t2 + 32t + 48, where h is the height of the ball in feet, and t is the time in seconds. How long will it take for Matt's airball to hit the ground?

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Sagot :

JOROSS121205IN

Answer:

h(t)=-16t^2+32t+48

set equal to 0, which is ground level and divide through by -16

so t^2-2t-3=0

(t-3)(t+2)=0

positive root is t=3 seconds.

Step-by-step explanation:

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