What is the range of the function on the graph

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?

Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?