Explain how the following ordered pairs represent or doesn't represent a function

- {(-3, 5), (-2,5), (–1,5), (0, 5), (1, 5), (2,5)}

a. For every x value there is one y value - not a function
b. For every x value, there is one y value- a function
c. For every y value, there is one x value - function
d. For every y value, there is one x value - not a function ​