Two cell phone companies have different rate plans.Runfast has monthly charges $25 plus $10 per gig of data.B A&D’s monthly charge is $18 plus 15 per gig of data.

3. Graph the results on the accompanying graph as a visual aid. Don’t forget to label which line is for which company.

4. Why don’t the lines start at the origin?_______________________________________________

5. What is special about each of the y-intercepts?________________________________________

6. Which company has the better deal for customers that don’t us much data? How do you know?

Question

Two cell phone companies have different rate plans.Runfast has monthly charges $25 plus $10 per gig of data.B A&D’s monthly charge is $18 plus 15 per gig of data.

3. Graph the results on the accompanying graph as a visual aid. Don’t forget to label which line is for which company. 


4. Why don’t the lines start at the origin?_______________________________________________ 

5. What is special about each of the y-intercepts?________________________________________ 

6. Which company has the better deal for customers that don’t us much data? How do you know?