It takes 9 hours for John to paint a house. Jerry can paint the same house in 7 hours. How long will it take them to paint the house if they work together? • A basketball player has made 39 out of 60 free throws. How many more free throws must the player make in a row, if he wants to have an average of 77%?
State all the transformations that occur and then state the domain and range for each function. 3. 4.