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2.) An object is launched into the air. It goes straight up and comes straight back down to Earth. It's height (meters) after t seconds can be calculated using the formula s(t)=-5t2 +20t-12. a. How long does it take this object to reach its maximum height? b. What is the maximum height of the object?

2.) An object is launched into the air. It goes straight up and comes straight back down to Earth. It's height (meters) after t seconds can be calculated using the formula s(t)=-5t2 +20t-12. a. How long does it take this object to reach its maximum height? b. What is the maximum height of the object?

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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2.) An object is launched into the air. It goes straight up and comes straight back down to Earth. It's height (meters) after t seconds can be calculated using the formula s(t) = -5t +20t – 12. How long does it take this object to reach its maximum height? b. What is the maximum height of the object? a.
Transcribed Image Text:2.) An object is launched into the air. It goes straight up and comes straight back down to Earth. It's height (meters) after t seconds can be calculated using the formula s(t) = -5t +20t – 12. How long does it take this object to reach its maximum height? b. What is the maximum height of the object? a.
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