Pre-Calculus, 9th edition
49

 PAGE: 127 SET: Exercises PROBLEM: 49

(a).

The general linear function is .

is the total cost of the function in dollars.

is the number of miles driven.

is the rent for one day charging.

Rent of the  truck for one day is \$.

Number of miles driven is per mile.

Total cost : .

The function is .

(b).

Find the cost of renting the truck for miles and miles.

Substitute in the function .

The cost of renting is \$ for miles.

Substitute in the function .

The cost of renting  is \$ is miles.

(a)

The function is .

(b)

The cost of renting is \$ for miles.

The cost of renting  is \$ for miles.

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