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Thepotemich [5.8K]
2 years ago
9

A football is kicked into the air. Its height above the ground is approximated by the equation h=20t-5

.net/?f=t%5E%7B2%7D" id="TexFormula1" title="t^{2}" alt="t^{2}" align="absmiddle" class="latex-formula">, where h is the height in meters and t is the time in seconds since the football was kicked.
a)what are the zeros of the relation? when does the football hit the ground?
Mathematics
1 answer:
Anastaziya [24]2 years ago
4 0

Answer:

Zeroes - x=0 and x=4

Football hits the ground at x=4 (4 seconds)

Step-by-step explanation:

1) Plug equation in graphing calculator and graph function.

2) Find zeroes

3) The second zero is when the football hits the ground

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