Question

1. In 1994, the average monthly energy bill for your neighbors family of four was $175. In 2005 their average monthly bill rose to $250.

A. Let x=number of years since 1994 and let y= average monthly bill. Write to ordered pairs that follow the info given in this problem.

B. Find the slope between the two points.

C. Use the slope from part b and one of the points from part a to find the equation of the line representing the cost of energy for the family.

D.How much should they expect to pay in 2009 for engery.

Answer 1

I'm not a math teacher, but I do know that the math teachers here will not do your work for you.

If you want assistance with this, please do as much of the work as you can and re-post. Then a math teacher will be able to help you.

Thanks.