74. MOTION OF A MODEL ROCKET A model rocket is launched vertically upward so that its height (measured in feet) t sec after launch is given by h = 16t² + 384t + 4 a. Find the time(s) when the rocket is at a height of 1284 ft. b. How long is the rocket in flight?
74. MOTION OF A MODEL ROCKET A model rocket is launched vertically upward so that its height (measured in feet) t sec after launch is given by h = 16t² + 384t + 4 a. Find the time(s) when the rocket is at a height of 1284 ft. b. How long is the rocket in flight?
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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![**74. Motion of a Model Rocket**
A model rocket is launched vertically upward so that its height (measured in feet) \( t \) seconds after launch is given by:
\[ h = -16t^2 + 384t + 4 \]
**a.** Find the time(s) when the rocket is at a height of 1284 ft.
**b.** How long is the rocket in flight?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F45ca41ad-593a-47be-ba58-1becf5d74f6e%2F9894c261-6966-417f-bf9e-d493a547ab8e%2Fyf5q6b_processed.png&w=3840&q=75)
Transcribed Image Text:**74. Motion of a Model Rocket**
A model rocket is launched vertically upward so that its height (measured in feet) \( t \) seconds after launch is given by:
\[ h = -16t^2 + 384t + 4 \]
**a.** Find the time(s) when the rocket is at a height of 1284 ft.
**b.** How long is the rocket in flight?
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