Question

Select Is a Function or Is not a Function to correctly classify each relation. Title Is a Function Is not a Function {(2,2),(4,4),(6,6),(8,8)} {(0,3),(3,5),(5,6),(8,4)} {(1,2),(3,3),(4,8),(6,3)} {(3,4),(5,2),(5,6),(7,3)}

Answer 1

1 function {(2,2),(4,4),(6,6),(8,8)} written is a function the other following coordinates are not functions due to it not being a straight line as a 'proper' function should be.

Answer 2

The answer is:

{(2,2),(4,4),(6,6),(8,8)} is a function

{(0,3),(3,5),(5,6),(8,4)} is a function

{(1,2),(3,3),(4,8),(6,3)} is a function

{(3,4),(5,2),(5,6),(7,3)} is not a function

Explanation:

Sorry I don't have an explanation, but I know these are correct because I took the test and got this correct. ;)