70 60 50 40 30 20 10 100 200 300 400 500 600 700

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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 find a linear function that models the relationship between the two variables and describe the slope and intercep

Below is the graph of data from our monthly long distance phone bill.  It shows the number of minutes used along the horizontal axis and monthly cost (in $’s) along the vertical axis.

Pick two points and find the equation of the line, then use it to determine the monthly fee for long distance service and the charge per minute.

 

 

 

 

70
60
+ 50
40
30
20
10
100
200
300
400
500
600
700
-10
Transcribed Image Text:70 60 + 50 40 30 20 10 100 200 300 400 500 600 700 -10
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