Question

f(x)=-2x+2 e g(x)=2x-3

Answer 1

G(x)=-x+3
g(a)=-a+3=b

f(x)=2x-2
f(b)=2(b)-2
f(b)=2(-a+3)-2
f(b)=-2a+6-2
f(b)=-2a+4