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Mathematics, 28.10.2021 03:10 constipatedcow18

A firework is launched from the ground at a speed of 160 feet per second. Its height after t seconds is given by the polynomial -16t^2+160t. What is the height of the firework after 4 seconds?

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A firework is launched from the ground at a speed of 160 feet per second. Its height after t seconds...
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