1) a furniture store charges 6.5% sales tax on the cost of the furniture and a $20 delivery fee. (the delivery fee is not subject to sales tax.)

the following functions represent the situation:
f(a) = 1.065 a
g(b) = b+20
part a : write the function g(f(

part b : match each of the following to what they represent. some letters will be used twice.

a a. the cost of the furniture, sales tax, and delivery fee.

b b. the cost of the furniture and sales tax.

f(a) c. the cost of the furniture.

g(b)

g(f(a))