Question

Which of the following is a function?

Answer 1

What are the answers that can be chosen?

Answer 2

To be classified as a function. It must past the vertical line test. Basically draw a vertical line and slide it along the function, there can only be 1 y-value for every x-value. If the line hits more than one point on the function, then it is not a function

Answer 3

so it would be this one because it only goes through once?

Answer 4

Wait no it isn't

Answer 5

If you draw a vertical line, on that function it would touch more than one point at x=-4

Answer 6

ok thank you

Answer 7

np