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which of the following relations is a function?

Which Of The Following Relations Is A Function class=

Sagot :

Answer:

A.{(1,-1),(2,-1),(3,1)

Step-by-step explanation:

Ex.

1 1

2 -1

3

note:

way to know if it is a function is to see if there are two of the same x-intercept (which make a vertical line). If there is, then it is NOT a function.