Function or Not
Function or Not 
No x is repeating
Is it a function? {(2, 3), (4, 5), ( -2, 6)}
Yes, because it does not repeat
negative
Function on not?
Yes, X is not repeating
x y
2 4
-3 4
7 7
Yes "x" does not repeat
What is the first step in solving this equation:
2x+4=12
Subtract 4 from both sides
Function or not?

Yes, x is NOT repeating
Is it a function?
Yes, it passes the vertical line test
Who is Usher
Function or Not?
Yes, x is NOT repeating.
Function or Not

No, it does not pass the Vertical line test
How many pairs of Jordans does Mr. Buckley have?
Zero
Who is the best rapper TI or Lil Wayne