The equation h=-16t^2+47t+3 models the height h, in feet, of a ball that Sofia hits after t seconds. How long is the ball in the air?
The equation for speed is:
v = -32 t +47
if we set v=0, I get:
0 = - 32 t +47
next I sove for t and I can write:
t = 47/32
t = 1.469 seconds
so your answer is t = 1.469 seconds
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