Question

Determine which relation is a function.

Answer 1

@Directrix

Answer 2

I assume they mean whether or not \(y=f(x)\) is a function.

Answer 3

You can't have more than one \(y\) values for any single \(x\) value.

Answer 4

Geometrically, the you can't have more than one y for a given x takes the form of the vertical line test.

http://coolmath.com/algebra/15-functions/03-vertical-line-test-01.htm

Answer 5

@ILovemek

Answer 6

yea

Answer 7

thxs

Answer 8

You are welcome.