Question

which of the following lists of ordered pairs is a function?

Answer 1

Answer:

A (Only A)

Step-by-step explanation:

the X position can NOT repeat itself at all. In A it does not do that but in the rest it does
in B there is a 2,5 and a 2,2 (Repeating X)

in C there is a -1,4 and a -1, 7 (Repeating X)

in D there is a 3,1 and a 3,2 (Repeating X)

Answer 2

Answer:

A

Step-by-step explanation:

A function is a set of coordinate points that has a separate point for the x axis in every pair.

In order to find a function, just look at the first number in every parentheses and see if there are any multiples

Answer A has -2, 2, -3, and 3

Answer B has 2, 3, 4, and 2

Answer C has 0, -1, 1, and -1

Answer D has 1, 2, 3, and 3

Answer A is the only one that doesn't have repeating x points

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