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Solve the problem. 12) A model rocket is launched from the ground with an initial speed of 50 feet per second. The equation that models its height, h feet, off the ground t seconds after it was fired is h = - 16t² + 50t (a) How high is the rocket 3 seconds after it was fired? (b) How long will it take the rocket to return to the earth? A) (a) 6 ft B) (a) 294 ft (b) 12.5 sec (b) 3.125 sec C) (a) 6 ft D) (a) 294 ft (b) 12.5 sec (b) 3.125 sec

Solve the problem. 12) A model rocket is launched from the ground with an initial speed of 50 feet per second. The equation that models its height, h feet, off the ground t seconds after it was fired is h = - 16t² + 50t (a) How high is the rocket 3 seconds after it was fired? (b) How long will it take the rocket to return to the earth? A) (a) 6 ft B) (a) 294 ft (b) 12.5 sec (b) 3.125 sec C) (a) 6 ft D) (a) 294 ft (b) 12.5 sec (b) 3.125 sec

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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Solve the problem. 12) A model rocket is launched from the ground with an initial speed of 50 feet per second. The equation that models its height, h feet, off the ground t seconds after it was fired is h = - 16t2 + 50t (a) How high is the rocket 3 seconds after it was fired? (b) How long will it take the rocket to return to the earth? A) (a) 6 ft B) (a) 294 ft (b) 12.5 sec (b) 3.125 sec C) (a) 6 ft D) (a) 294 ft (b) 12.5 sec (b) 3.125 sec
Transcribed Image Text:Solve the problem. 12) A model rocket is launched from the ground with an initial speed of 50 feet per second. The equation that models its height, h feet, off the ground t seconds after it was fired is h = - 16t2 + 50t (a) How high is the rocket 3 seconds after it was fired? (b) How long will it take the rocket to return to the earth? A) (a) 6 ft B) (a) 294 ft (b) 12.5 sec (b) 3.125 sec C) (a) 6 ft D) (a) 294 ft (b) 12.5 sec (b) 3.125 sec
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