Question

-if f(x)=2x and g(x)=x+3-

#4) f(g(x))

#5) g(f(x))

Answer 1

f(g(x))=2[g(x)]
=2(x+3)
=2x+6

Answer 2

Thank you :)

Answer 3

try it for the other one (#5) and see what you get