any e intensity of illumination varies C the intensity of the source and in = the square of x. Suppose that th ht at A, and another at B, the one ving an intensity 8 times that of F stance AB is 4 m. At what point fr the line AB will the intensity of umination be least? ce
any e intensity of illumination varies C the intensity of the source and in = the square of x. Suppose that th ht at A, and another at B, the one ving an intensity 8 times that of F stance AB is 4 m. At what point fr the line AB will the intensity of umination be least? ce
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Question
![. At any distance x from the source of light,
the intensity of illumination varies directly
as the intensity of the source and i
as the square of x. Suppose that there is a
light at A, and another at B, the one at B
having an intensity 8 times that of A. The
distance AB is 4 m. At what point from A
on the line AB will the intensity of
illumination be least?
A.
B.
C.
D.
2.15 m
1.33 m
1.50 m
1.92 m
A wall "h" meters high is 2 m away from
the building. The shortest ladder that can
reach the building with one end resting on
the ground outside the wall is 6 m. How
high is the wall in meters?
A. 2.34
B. 2.24
C. 2.44
D. 2.14](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd3e22fd0-ae24-422b-82ed-4ca43adbda46%2F34e8e6d4-b23e-41bf-a528-fbb465d50a00%2Fgeinmee_processed.jpeg&w=3840&q=75)
Transcribed Image Text:. At any distance x from the source of light,
the intensity of illumination varies directly
as the intensity of the source and i
as the square of x. Suppose that there is a
light at A, and another at B, the one at B
having an intensity 8 times that of A. The
distance AB is 4 m. At what point from A
on the line AB will the intensity of
illumination be least?
A.
B.
C.
D.
2.15 m
1.33 m
1.50 m
1.92 m
A wall "h" meters high is 2 m away from
the building. The shortest ladder that can
reach the building with one end resting on
the ground outside the wall is 6 m. How
high is the wall in meters?
A. 2.34
B. 2.24
C. 2.44
D. 2.14
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