I just need to know how to start this problem

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.

The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots.