A local cell phone company charges a rate for phone service. The rate increases based on how many gigabytes of data the customer would like to access. The prices can be modeled as a linear function based on the information in the following table.
Gigabytes of Data Cost of Plan
3 $80
6 $95
9 $110
answers choices:
There is an increase of $80 per gigabyte of data.
There is an increase of $5 per gigabyte of data.
There is an increase of $65 per gigabyte of data.
