Question

How do you recongnize functions?

Answer 1

This graph is not a function.


This is because the line is supposed to touch ONE point on the graph. If the line touches MORE THAN ONE point on the graph it is not considered a function. Hope this helps!

Answer 2

That is not a function :)

Explanation:

You can recognize functions by seeing if it passes the vertical line test. If you draw a vertical line anywhere are the grid and it crosses the equation in more then one place then it does not pass the test, and is not a function.

Here's an attachment that might help