If f(x) = 6x - 4, what is flx) when x = 8?

How do you determine whether a relationship represented as as graph is linear or nonlinear

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

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?