45 pts 1 easy question #3 please help asap !! will give branliest

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour. what is the cyclist average rate for the round trip in miles per hour ?

The graph represents f(x)=[x]+3. what is f(-2.2)?