1 A golfer hits a golf ball The graph of H t below shows the height of the ball in feet after t seconds Round answers to two decimal places as needed All answers must include appropriate units of measure Height of Golf Ball feet 120 100 80 60 40 20 2 3 6 Time seconds a Interpret the meaning of the vertex in this situation Write your answer in a complete sentence b Interpret the meaning of the horizontal intercepts in this situation Write your answers in complete sentences c Determine the practical domain of this function Write your answer in interval notation d Determine the practical range of this function Write your answer in interval notation