For problems #1-2: A projectile is launched straight up into the air. The height (in feet), at any time t (in seconds), is given by the function f(t) = -16t2 + 256t. Use this function to answer the following: 1. Find the time at which the projectile reaches its maximum height. What is the maximum height?

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
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I need question 1 and 2 answered.

For problems #1-2: A projectile is launched straight up into the air. The height (in feet),
at any time t (in seconds), is given by the function f(t) = -16t2 + 256t. Use this
function to answer the following:
%3D
|
1. Find the time at which the projectile reaches its maximum height. What is the
maximum height?
2. Use the function f(t) = -16t2 + 256t to determine the times when the projectile
is exactly 500 ft above the ground. Give exact answers only.
Transcribed Image Text:For problems #1-2: A projectile is launched straight up into the air. The height (in feet), at any time t (in seconds), is given by the function f(t) = -16t2 + 256t. Use this function to answer the following: %3D | 1. Find the time at which the projectile reaches its maximum height. What is the maximum height? 2. Use the function f(t) = -16t2 + 256t to determine the times when the projectile is exactly 500 ft above the ground. Give exact answers only.
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