A projectile is launched straight up in the air. Its height (in feet) t seconds after launch is given by the function f(t) = - 16t + 444t + 8. Find its velocity 7.9 seconds after it is launched. Its velocity is If necessary, round to two decimal places. Do not include units.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.9: Direct Variation
Problem 20OE
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A projectile is launched straight up in the air. Its height (in feet) t seconds after launch is given by the function f(t) = – 16t + 444t + 8. Find its velocity 7.9 seconds after
it is launched.
Its velocity is
If necessary, round to two decimal places. Do not include units.
Transcribed Image Text:A projectile is launched straight up in the air. Its height (in feet) t seconds after launch is given by the function f(t) = – 16t + 444t + 8. Find its velocity 7.9 seconds after it is launched. Its velocity is If necessary, round to two decimal places. Do not include units.
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