The formula for this shot is: h(x)=-16x2+200x A. How can Marc provide proof that his mighty shot actually hung in the air for 15 seconds? Or is this just another one of his lies? B. How long did the ball actually hang in the air?

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 Marc decided to show off by trying to hit the green
in one shot. So with his macho swing, he said
he hit the green as the ball hung in the air
for 15 seconds.
The formula for this shot is:
h(x)=-16x2+200x

A. How can Marc provide proof that his
mighty shot actually hung in the air for
15 seconds? Or is this just another one
of his lies?
B. How long did the ball actually hang in
the air?

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