Question

F(x)=2x an$ g(x)=2x+3,what is the value of f(g(-8))

Answer 1

First plug in g(x) into f(x)

F((g(x))=2(2x+3)

And now you plug in -8

F(g(-8))=2(-16+3)

F(g(-8))=2(-13)

F(g(-8))=-26