Is the relationship linear, exponential, or neither?

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

Based on the diagrams, what is the value of x?