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1. The height in meters of a projectile launched from the top of a building is given by h(t) = -5t² + 20t + 15, where t is the time in seconds since it was launched. a. How high was the projectile at the moment of launch? b. At wat time does the projectile hit the ground? c. What is the average rate of change in height from the time the object was launched until the time it hit the ground?

1. The height in meters of a projectile launched from the top of a building is given by h(t) = -5t² + 20t + 15, where t is the time in seconds since it was launched. a. How high was the projectile at the moment of launch? b. At wat time does the projectile hit the ground? c. What is the average rate of change in height from the time the object was launched until the time it hit the ground?

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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1. The height in meters of a projectile launched from the top of a building is given by h(t) = -5t² + 20t + 15, where t is the time in seconds since it was launched. a. How high was the projectile at the moment of launch? b. At wat time does the projectile hit the ground? c. What is the average rate of change in height from the time the object was launched until the time it hit the ground?
Transcribed Image Text:1. The height in meters of a projectile launched from the top of a building is given by h(t) = -5t² + 20t + 15, where t is the time in seconds since it was launched. a. How high was the projectile at the moment of launch? b. At wat time does the projectile hit the ground? c. What is the average rate of change in height from the time the object was launched until the time it hit the ground?
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