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cupoosta [38]
3 years ago
8

Tell whether the relation is a function.

Mathematics
2 answers:
pshichka [43]3 years ago
8 0

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.

PilotLPTM [1.2K]3 years ago
4 0

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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