FUNCTION OR NOT

{(2,3), (4,5), (6,6)}

• FUNCTION

• NOT FUNCTION

{4,5), (4,6), (5,5), (5,6) }

• FUNCTION

• NOT FUNCTION

{-2,-2), (-1,-1), (0,0), (1,1) }

• FUNCTION

• NOT FUNCTION

{-6,-6), (-4,-4), (-2,-2), (0,0) }

• FUNCTION

• NOT FUNCTION

{5,1), (5,2), (5,3) }

• FUNCTION

• NOT FUNCTION

{(6,7), (6,8), (7,7), (7,8) }

• FUNCTION

• NOT FUNCTION

• FUNCTION

• NOT FUNCTION

• FUNCTION

• NOT FUNCTION

 $x+y=9$  

• FUNCTION

• NOT FUNCTION

 $x+y^3=8$  

• FUNCTION

• NOT FUNCTION