What is the answer?How do you solve this?

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer