Question

considere as funçoes f(x)=6+3 e g(x)=2x, determine: a) f(g(x)) e b) g(f(-1))

Answer 1

f(x)=6x+3 e g(x)=2x
a) f(g(x))=6.2x+3=12x+3
b) g(f(-1))
f(-1)= 6.(-1)+3=-6+3=-3
g(-3)=2.(-3)=-6