Question

I need help ASAP!!!!!

Answer 1

Answer: D is a function the other two are not.

Explanation:

D: All the X's have there own individual y's

E & F: Some of the X's have different Y outputs which makes it faulty.

Answer 2

see below

Explanation:

For every value of y, there can only be one value of x in order for it to be a function

D) is a function because every input has a unique output

E) is NOT a function because there are two values for one x value

F) is a function because even though there are two of the same values for one y value, each of the x values are unique