Which is not a function?

The set of ordered pairs: 5 comma zero, 8 comma eleven, eleven comma 2, and fourteen comma 1.

A mapping diagram is shown. The domain column contains the numbers 3, 5, 7, and fourteen. The range column contains the numbers 4, 4, 4 and 4. A line connects 3 and 4. A line connects 5 and 4. A line connects 7 and 4. A line connects fourteen and 4.

A table of x and y-values. When x is zero, y is forty-six. When x is 2, y is 4. When x is 4, y is 2. When x is 6, y is 6.

The set of ordered pairs: 6 comma 6, 7 comma 7, 6 comma 8, and 5 comma 9.

Question

Which is not a function?

 The set of ordered pairs: 5 comma zero, 8 comma eleven, eleven comma 2, and fourteen comma 1.

 A mapping diagram is shown. The domain column contains the numbers 3, 5, 7, and fourteen. The range column contains the numbers 4, 4, 4 and 4. A line connects 3 and 4. A line connects 5 and 4. A line connects 7 and 4. A line connects fourteen and 4.

 A table of x and y-values. When x is zero, y is forty-six. When x is 2, y is 4. When x is 4, y is 2. When x is 6, y is 6.

 The set of ordered pairs: 6 comma 6, 7 comma 7, 6 comma 8, and 5 comma 9.

anonymous · Answer

Can you write all of it out rather than use words? I'm not good with it for some reason.