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# 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?

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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 ...

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