Share
Explore BrainMass

# Linear Regression

Solve the problems. Show all steps.

1. Using the data from 1996-1998, the annual number of cars sold at a certain dealership can be modeled by the formula
Y=3x +2
Where y is the number of cars, in thousands, sold x years after 1996. According to this formula, in which years will the number of cars sold exceed 29 thousand?

2. An accountant receives a salary of \$259,775 per year, he plans to spend \$95,000 on his mortgage, \$52,000 on food, \$33,000 on clothing, 46,000 on household expenses, and 25,000 on other expenses,with the money that is left, he expects to buy as many shares of stock at \$225 per share as possible. How many shares will he be able to buy?

3. A certain internet provider charges \$16.95 for 150 hours of online usage per month and \$0.95 for each additional hour. If Marc was on line for 200 hours last month what was his bill for that month?

#### Solution Preview

1. Using the data from 1996-1998, the annual number of cars sold at a certain dealership can be modeled by the formula:
Y=3x +2
Where y is the number of cars, in thousands, sold x years after 1996. According to this formula, in which years will the ...

#### Solution Summary

This solution provides assistance with the linear regression word problems.

\$2.19