The points on the graphs represent relations. classify these relations according to whether or not they are functions.

Function                           Not a function

Graph A                             Graph A

Graph C                             Graph D

Step-by-step explanation:

We know that,

A function is a relation, in which every element of the domain has a unique image in the co-domain.

So, from the options we see that,

Graph A - It is a function as every element have unique image

Graph B- It is not a function as 2 has more than one image namely 1 and 2.

Graph C- It is a function as every element have unique image

Graph D - It is not a function as 2 has more than one image namely 1 and -1

So, we get,

Function                           Not a function

Graph A                             Graph A

Graph C                             Graph D

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. writing something that happened to you

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step-by-step explanation: