Question

Can y’all tell me which one is a function and which ones is not ?

Answer 1

Ones that have 2 values of y for a single value of x

(vertical line, sideways v shape are not functions)

Explanation:

In a function, each input (x) can have only one output (y)

There cannot be two ys for one x

Answer 2

the ones with straight lines are functions the ones that are curved is not a function