# The range for the miles for which she can drive new car. ### Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071 ### Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

#### Solutions

Chapter 1.7, Problem 109E
To determine

## The range for the miles for which she can drive new car.

Expert Solution

The range is between 12000 miles to 14000 miles_.

### Explanation of Solution

It is given that the annual cost of driving a new car is C=0.35m+2200 where C is the cost in dollars and m is the number of miles driven per year.

Also, the budget of driving costs is $6400 to$7100 for next year.

Substitute the cost $6400 in C=0.35m+2200 and calculate the value as follows: 6400=0.35m+220064002200=0.35m+220022004200=0.35m42000.35=0.35m0.35m=12000 miles Substitute the cost$7100 in C=0.35m+2200 and calculate the value as follows:

7100=0.35m+220071002200=0.35m+220022004900=0.35m49000.35=0.35m0.35m=14000miles

Therefore, the range is between 12000 miles to 14000 miles_.

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