Question

Which of the following best describes the graph below?

A. It is not a function.
B. It is a many-to-one function.
C. It is a function, but it is not one to one.
D. It is a one-to-one function.

Answer 1

D. It is a one-to-one function.

Explanation:

It passes the vertical line test so it is a function

It passes the horizontal line test so it is one-to-one

Answer 2

Answer: b

Explanation:

becuase