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Rama09 [41]
3 years ago
8

Which of the following is a function? A.) {(-2, -4/5), (-1,-1),(0,0),(-1,-1)} B.) {(-2,0),(0,1/2),(0,3/4),(1,1)} C.) {(-2,1),(-1

,0),(0,1),(-2,2)} D.) {(-2,4),(-1,1),(0,0),(1,1)}
Mathematics
1 answer:
Orlov [11]3 years ago
6 0

Answer:

D.

Step-by-step explanation:

A function, by the easy-to-understand definition, is a relation where no x values are shared.  The only set where each x value is different is in D.  All the other sets share the same x value.  Example:  Set C has coordinates (-2, 1) and (-2, 2).  The x coordinates are the same, so this isn't a function.  It is only a relation.

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