Composition of Functions- Open Middle Problem

Directions: Using the digits 1 to 9, fill in the red and blue boxes to create two functions f(x) and g(x) such that f °g exists. You can only use a number once per red box and once per blue box.

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Can you create two functions f(x) and g(x) such that g°f exists?

Can you create two functions f(x) and g(x) such that  f °g and g°f exists?

 

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