The bar graph to the right shows the average number of hours that people sleep per​ day, by age group. Use this information to complete parts a and   Consider a​ function, f, whose domain is the set of six ages shown. Let the range be the average number of hours

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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The bar graph to the right shows the average number of hours that people sleep per​ day, by age group. Use this information to complete parts a and

 

  1. Consider a​ function, f, whose domain is the set of six ages shown. Let the range be the average number of hours that people sleep per day. Write the function as a set of ordered pairs.

f=

  1. Write the relation that is the inverse of f as a set of ordered pairs.

The relation is

Based on these ordered​ pairs, is f a​ one-to-one function?

 

The function f

is not a​ one-to-one function because the relation that is the inverse of is a function.

B.

The function f

is a​ one-to-one function because the relation that is the inverse of f is a function.

C.

The function f is not a​ one-to-one function because the relation that is the inverse of f is not a function.

D.

The function f is a​ one-to-one function because the relation that is the inverse of f is not a function.

Hours Slept
10
9.6
9.2 9.1 9.1
8.8-
8.4-
8
8.6 8.6 8.5
8.1
18 22 35 40 55 60
Age
Transcribed Image Text:Hours Slept 10 9.6 9.2 9.1 9.1 8.8- 8.4- 8 8.6 8.6 8.5 8.1 18 22 35 40 55 60 Age
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