The monthly cost of driving a car depends on the number of miles driven. Lynn found that in May her driving cost was $380 for 480 mi and in June her cost was $450 for 760 mi. Assume that there is a linear relationship between the monthly cost C of driving a car and the distance x driven. (a) Find a linear function C that models the cost of driving x miles per month. C(x) = (b) Draw a graph of C. 600 600 500 500 400 400 300 300 200 200 100 100 200 400 600 800 1000 1200 1400 200 400 600 800 1000 1200 1400 C
The monthly cost of driving a car depends on the number of miles driven. Lynn found that in May her driving cost was $380 for 480 mi and in June her cost was $450 for 760 mi. Assume that there is a linear relationship between the monthly cost C of driving a car and the distance x driven. (a) Find a linear function C that models the cost of driving x miles per month. C(x) = (b) Draw a graph of C. 600 600 500 500 400 400 300 300 200 200 100 100 200 400 600 800 1000 1200 1400 200 400 600 800 1000 1200 1400 C
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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What is the slope of this line?
(c) At what rate does Lynn's cost increase for every additional mile she drives?
%24
per mi
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Transcribed Image Text:The monthly cost of driving a car depends on the number of miles driven. Lynn found that in May her driving cost was $380 for 480 mi and in June her cost was $450 for
760 mi. Assume that there is a linear relationship between the monthly cost C of driving a car and the distance x driven.
(a) Find a linear function C that models the cost of driving x miles per month.
C(x) =
(b) Draw a graph of C.
C
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