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Question 4 Mark this question The equation $y = -16t^2 + 40t + 9$ represents the height of a projectile, $y$, in feet at a particular time $t$, in seconds. For what interval (or intervals) of time will the projectile's height be above 25 feet? Between 0.5 and 2 seconds Between 1 and 3 seconds Less than 1 second and more than 3 seconds Less than 0.5 seconds and more than 2 seconds SAVE & CONTINUE Report an issue with this question

Name: question 4 mark this question the equation y 16t2 40t 9 represents the height of a projectile y in feet at a particular time t in seconds for what interval or intervals of time will the proj 76652
Uploaded: 2022-02-03T01:25:23-08:00
Duration: 2 min 6 s
Channel: Darshan Maheshwari
Description: question 4 mark this question the equation y 16t2 40t 9 represents the height of a projectile y in feet at a particular time t in seconds for what interval or intervals of time will the proj 76652

          Question 4
Mark this question
The equation $y = -16t^2 + 40t + 9$ represents the height of a projectile, $y$, in feet at a particular time $t$, in seconds.
For what interval (or intervals) of time will the projectile's height be above 25 feet?
Between 0.5 and 2 seconds
Between 1 and 3 seconds
Less than 1 second and more than 3 seconds
Less than 0.5 seconds and more than 2 seconds
SAVE & CONTINUE
Report an issue with this question

question 4 mark this question the equation y 16t2 40t 9 represents the height of a projectile y in feet at a particular time t in seconds for what interval or intervals of time will the proj 76652

Added by Claudia S.

Calculus: Early Transcendentals

James Stewart 8th Edition

Instant Answer

Solved by Expert Darshan Maheshwari

02/03/2022

Step 1

We are given the equation for the height of a projectile: $y = -16t^2 + 40t + 9$. We need to find the time interval(s) during which the projectile's height ($y$) is above 25 feet. This means we need to solve the inequality $y > 25$. Show more…

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Question 4 Mark this question The equation $y = -16t^2 + 40t + 9$ represents the height of a projectile, $y$, in feet at a particular time $t$, in seconds. For what interval (or intervals) of time will the projectile's height be above 25 feet? Between 0.5 and 2 seconds Between 1 and 3 seconds Less than 1 second and more than 3 seconds Less than 0.5 seconds and more than 2 seconds SAVE & CONTINUE Report an issue with this question