Question

Find f o g, go f, and g o g.
f(x) = x + 8, g(x) = x - 5

Answer 1

f(x)=x + 8

g(x)=x-5

fog=x-5+8

=x+3

gof=x+8-5

=x+3

gog=x-5-5

=x-10