#### Answer

The rule of fog is multiply by 2, then add 1.
The rule of gof is add 1, then multiply 2.

#### Work Step by Step

If the rule of f is add one and the rule of g is multiply by 2
The rule of fog is multiply by 2, then add 1. This is because fog = f(g(x)), so you apply the rule of g first.
The rule of gof is add 1, then multiply 2. This is because gof = g(f(x)), so you apply the rule of f first.