A football is kicked up into the air. The height of the football can be modeled as a function of time as shown by the equation, h(t) seconds did it take for the football to réach the ground after it was kicked? -4t2+18t, where h is the height of the football in feet, and t is the time in seconds. How many O 20.25 seconds O 2.25 seconds O 9 seconds O 4.5 seconds

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.8: Analyzing Functions With Successive Differences
Problem 26PPS
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cemaining Time: 1 hour, 10 minutes, 35 seconds.
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QUESTION 18
A football is kicked up into the air. The height of the football can be modeled as a function of time as shown by the
equation, h(t) = -4t2 + 18t, where h is the height of the football in feet, and t is the time in seconds. How many
seconds did it take for the football to réach the ground after it was kicked?
O 20.25 seconds
O 2.25 seconds
O 9 seconds
O 4.5 seconds
QUESTION 19
Find the missing length
Click Save and Submit to save and subinit, Click Saue All Anstuers to save all answers.
Transcribed Image Text:> Finals Schedule - Bb Collabo O x Lorg/webapps/assessment/take/launch.jsp?course_assessment_id%3D_43176 1&course_id%3_41581_1&contes cemaining Time: 1 hour, 10 minutes, 35 seconds. Question Completion Status: QUESTION 18 A football is kicked up into the air. The height of the football can be modeled as a function of time as shown by the equation, h(t) = -4t2 + 18t, where h is the height of the football in feet, and t is the time in seconds. How many seconds did it take for the football to réach the ground after it was kicked? O 20.25 seconds O 2.25 seconds O 9 seconds O 4.5 seconds QUESTION 19 Find the missing length Click Save and Submit to save and subinit, Click Saue All Anstuers to save all answers.
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