Question

How can I tell if a graph is: a function but not one-to-one, one-to-one function, or not a function?

Answer 1

if the graph passes the vertical line test, then it's a function

Answer 2

if the graph passes the vertical line test and the horizontal line test, then it's a one-to-one function

Answer 3

Ohhhhhhhh.Ok! I understand now. Thank you!! :D

Answer 4

yw