he 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 $460 for 800 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. (b) Draw a graph of C c: What is the slope of this line? d: At what rate does Lynn's cost increase for every additional mile she drives
he 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 $460 for 800 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. (b) Draw a graph of C c: What is the slope of this line? d: At what rate does Lynn's cost increase for every additional mile she drives
Intermediate Algebra
10th Edition
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter7: Equations And Inequalities In Two Variables
Section7.CR: Review Problem Set
Problem 63CR
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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 $460 for 800 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.
(b) Draw a graph of C
c: What is the slope of this line?
d: At what rate does Lynn's cost increase for every additional mile she drives?
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