Tell whether the relation is a function.
2 answers:
Answer:
Step-by-step explanation:
The easiest way to tell if a relation is a function is to look at the x coordinates. If none of them are the same in the set, then the relation is a function. If any of the x values are used more than once in the set, it is only a relation. This set uses -3 two times, so it is a relation.
Answer:
It is not a function.
Step-by-step explanation:
A function is a relation in which each input x has only one output y .
One visual way to tell the difference is to plot the relation and use the vertical line test .
If a vertical line for a given value of x passes through more than one point , the relation is not a function .
We see in the diagram that the line x = -3 includes (-3,0) and (-3,4), so the relation is not a function .
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