Which of the following is the same as 5(2 − 1)? a 5 − 2 − 1 b 5 × 2 × 1 c 10 − 1 d 10 − 5 e one of the above

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.