Question

which graph represents a function?

Answer 1

A function need to pass a vertical line test

have you heard of the vertical line test before?

Answer 2

No I have not heard of a vertical line test before.

Answer 3

take a look at this picture here. the yellow line represents a "vertical line test"

if any part of the given graph hits that yellow line more than one time (aka two times) then it fails the vertical line test

Answer 4

thank you very much!

Answer 5

Let me know if you get stuck or want me to double check your answer :)

Answer 6

ok