Friday, Homework 803/804

Friday, Homework 803/804:

A telephone plan charges $20/month, and

an additional 12 cents for each minute used.

How much would the plan cost if you talk for: 

0 minutes?

1 minute?

5 minutes?

10 minutes?

25 minutes?

50 minutes?

        -Would you use this cell phone plan?
        -Why are they charging $20 initially?
        -Make a table.
        -Graph it.
        -What equation would you use?
        -What is the independent variable?
        -What is the dependent variable?
        -What is the slope?  What does it represent?
        -What is the y-intercept?  What does it represent?