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Which relation is a function? A. x y 4 -2 5 -3 6 -2 7 -3 B. x y 3 10 2 20 3 30 4 40 C. x y -5 2 -5 3 -10 4 -10 5 D. x y 10 15 20 25 8 30 20 35

Which relation is a function? A. x y 4 -2 5 -3 6 -2 7 -3 B. x y 3 10 2 20 3 30 4 40 C. x y -5 2 -5 3 -10 4 -10 5 D. x y 10 15 20 25 8 30 20 35
56.9k views
5 votes
Which relation is a function?

A. x y
4 -2
5 -3
6 -2
7 -3


B. x y
3 10
2 20
3 30
4 40
C. x y
-5 2
-5 3
-10 4
-10 5

D. x y
10 15
20 25
8 30
20 35

User Chanaka Karunarathne
by
8.2k points

2 Answers

6 votes

Answer:

I believe the answer would be A.

Explanation:

User Bernard Leech
by
8.1k points
3 votes
A function cannot have the same value of x associated with different values of y.

Think about the straight line test!

The answer is a.
User Panpawel
by
7.7k points
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