14. An inflatable raft is dropped from a hovering helicopter to a boat in distress below. The height of the raft above the water, in metres, is approximated by the equation y = 500 - 5x², where x is the time in seconds since the raft was dropped. a) What is the height of the helicopter above the water? When does the raft reach the water? b) c) What is the height of the raft above the water 6 s after it is dropped? d) When is the raft 100 m above the water?

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,...
icon
Related questions
Question
14. An inflatable raft is dropped from a hovering helicopter to a boar
in distress below. The height of the raft above the water, in metres,
is approximated by the equation y = 500 - 5x², where x is
the time in seconds since the raft was dropped.
a) What is the height of the helicopter above the water?
When does the raft reach the water?
b)
c)
What is the height of the raft above the water 6 s after
it is dropped?
d) When is the raft 100 m above the water?
Transcribed Image Text:14. An inflatable raft is dropped from a hovering helicopter to a boar in distress below. The height of the raft above the water, in metres, is approximated by the equation y = 500 - 5x², where x is the time in seconds since the raft was dropped. a) What is the height of the helicopter above the water? When does the raft reach the water? b) c) What is the height of the raft above the water 6 s after it is dropped? d) When is the raft 100 m above the water?
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
Algebra
ISBN:
9780134463216
Author:
Robert F. Blitzer
Publisher:
PEARSON
Contemporary Abstract Algebra
Contemporary Abstract Algebra
Algebra
ISBN:
9781305657960
Author:
Joseph Gallian
Publisher:
Cengage Learning
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Algebra And Trigonometry (11th Edition)
Algebra And Trigonometry (11th Edition)
Algebra
ISBN:
9780135163078
Author:
Michael Sullivan
Publisher:
PEARSON
Introduction to Linear Algebra, Fifth Edition
Introduction to Linear Algebra, Fifth Edition
Algebra
ISBN:
9780980232776
Author:
Gilbert Strang
Publisher:
Wellesley-Cambridge Press
College Algebra (Collegiate Math)
College Algebra (Collegiate Math)
Algebra
ISBN:
9780077836344
Author:
Julie Miller, Donna Gerken
Publisher:
McGraw-Hill Education