Question

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Which set of points is a function?

A)
{(0,3),(2,4),(0,6)}


B)
{(1,2),(2,2),(3,2)}


C)
{(1,4),(2,5),(1,6)}


D)
{(2,3),(-2,4),(2,6)}

Answer 1

Answer:

B is a function

Step-by-step explanation:

A function only has one Y value for each X value.

A) this one is not a function because there are 2 points at x = 0

B) this one is a function because each X value has only 1 Y value

C) this is not a function because there are 2 points at x = 1

D) this is not a function because there are 2 points at x = 2

Answer 2

Answer:

B.

Step-by-step explanation:

A function  is either one-to-one  ( input -->output), or many-to one ( which B is). All the others are one-to-many.