I’m guessing 27 4? I’m not sure
a = The cost of the pizza.
b = The cost of the pizza and sales tax.
f(a) = The cost of the pizza.
g(b) = The cost of the pizza and sales tax.
g(f(a)) = The cost of the pizza, sales tax, and delivery fee
Answer:
1.) r>-3/4 and 2.) 157<-1