A number that has a factor of 7

The value √10 and √15 are plotted on the number line

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

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.