A relation may or may not represent a function.
The given relation is a function
For a relation to be a function, each x-value must have one unique corresponding y-value
The relation can be interpreted as:
[tex]x \to y[/tex]
[tex]-2 \to 3[/tex]
[tex]0 \to -1[/tex]
[tex]5 \to 8[/tex]
[tex]7 \to 5[/tex]
Notice that, each value of x have distinct corresponding y-value.
This means that, the relation satisfies the condition to be a function.
Hence, the relation is a function
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