Cameron is playing 9 holes of golf he needs to score a total of at most 18 over par in the last 4 holes to be his best golf score on the last 4 holes he score is 5 over par 1 under par 8 over par and 1 under par

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.