or
To score a field goal in football, a player kicks the ball up into the air with an initial upward velocity of
56
feet
per second. Therefore, the football's height above the ground in feet,
t
seconds after it is kicked, can be modeled by the expression
16
t
2
56
t
.
This expression can be written in factored form as
16
t
(
t
3.5
)
.
What does the number 3.5 represent in the expression?
ref_doc_title.

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