EXAMPLE 1 Buying a Car Ben wants to buy a car, and he has narrowcd his choices to two models. Model A sells for $12,500, gets 25 mi/gal, and costs $350 a year for insurance. Model B sells for $21,000, gets 48 mi/gal, and costs $425 a year for insurance. Ben drives about 36,000 miles a year, and gas costs about $4.00 a gallon. (a) Find a formula for the total cost of owning Model A for any number of years. (b) Find a formula for the total cost of owning Model B for any number of years. (c) Make a table of the total cost of owning each model from 1 year to 6 years, in 1-year increments. (d) If Ben expects to keep the car for 3 years, which model is more economical? What if he expects to keep it for 5 years?

EXAMPLE 1 Buying a Car Ben wants to buy a car, and he has narrowcd his choices to two models. Model A sells for $12,500, gets 25 mi/gal, and costs $350 a year for insurance. Model B sells for $21,000, gets 48 mi/gal, and costs $425 a year for insurance. Ben drives about 36,000 miles a year, and gas costs about $4.00 a gallon. (a) Find a formula for the total cost of owning Model A for any number of years. (b) Find a formula for the total cost of owning Model B for any number of years. (c) Make a table of the total cost of owning each model from 1 year to 6 years, in 1-year increments. (d) If Ben expects to keep the car for 3 years, which model is more economical? What if he expects to keep it for 5 years?

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter2: Equations And Inequalities

Section2.6: Inequalities

Problem 87E

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