A projectile is launched straight up in the air. Its height (in feet) t seconds after launch is given by the function f(t)= - 16t² +420t+6. Find its height 11.5 seconds after it is launched. C... Its height is feet. If necessary, round to two decimal places. Do not include units.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.6: Solving Quadratic Equations By Using The Quadratic Formula
Problem 64PFA
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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) = - 16t² +420t+6. Find its height 11.5 seconds after
it is launched.
Its height is feet.
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) = - 16t² +420t+6. Find its height 11.5 seconds after it is launched. Its height is feet. If necessary, round to two decimal places. Do not include units.
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