(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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Not a function, fails the vertical line test.
9x+5
Yes it is a function, passes the vertical line test.
2
Not a function, X=6 has both y=2 and y=3
Yes it is a function, each input has only one output.
6
-2≤x≤2
-3≤y≤2
21x+210
Not a function, input 3 has outputs at both 11 and 13.
