Help me answer these questions

Can someone me with these two circle theorem questions asap?

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?

Which statements are true for the functions g(x)= x^2 and h(x) = -x^2? check all that apply