Anyone know how to evaluate this?

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

Can someone me and do the problem plz so i can understand it more better

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 (monthly car loan payment per $1,000 borrowed) i need !