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: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section4.9: Area Problems
Problem 1P
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