Urgent maybe help if you can i wont rush but due in 20 mins

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?

Which graph represents the linear function below? y-4= (4/3)(x-2)