Roadways are crowned to let rain run off to the shoulders of the road, as illustrated in the diagram. y road shoulder A crown (highest point) X level ground B road shoulder The width of the roadway, AB, is 18 feet. A function f that models the curved road surface is f(x) == 0.005x(x-18). Which of these statements are true? Select all that apply. A. The y-coordinate of the crown occurs at x = 9. B. The crown is 9 feet above level ground. C. The y-coordinate of the crown is approximately 0.4. D. The x-intercepts of f are 0 and 18. E. The x-coordinate of the crown is the average of the x-intercepts of f..

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
3. Roadways are crowned to let rain run off to the shoulders of the
road, as illustrated in the diagram.
road shoulder A
crown (highest point)
X
level ground B road shoulder
The width of the roadway, AB, is 18 feet. A function f that models
the curved road surface is f(x) == 0.005x(x
18).
Which of these statements are true?
Select all that apply.
-
A. The y-coordinate of the crown occurs at x = 9.
B. The crown is 9 feet above level ground.
C. The y-coordinate of the crown is approximately 0.4.
D. The x-intercepts of f are 0 and 18.
E. The x-coordinate of the crown is the average of the
x-intercepts of f.
Transcribed Image Text:3. Roadways are crowned to let rain run off to the shoulders of the road, as illustrated in the diagram. road shoulder A crown (highest point) X level ground B road shoulder The width of the roadway, AB, is 18 feet. A function f that models the curved road surface is f(x) == 0.005x(x 18). Which of these statements are true? Select all that apply. - A. The y-coordinate of the crown occurs at x = 9. B. The crown is 9 feet above level ground. C. The y-coordinate of the crown is approximately 0.4. D. The x-intercepts of f are 0 and 18. E. The x-coordinate of the crown is the average of the x-intercepts of f.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps

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