Question 1182384
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In this problem, the input values  (the arguments of a function)  are


                -8,   3,   5   and   6.




These values are &nbsp;ALL &nbsp;D I F F E R E N T;  &nbsp;&nbsp;&nbsp;&nbsp;<U>T H E R E F O R E</U>, &nbsp;the question &nbsp;&nbsp;" <U>is it a function or not</U> "  


&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;even &nbsp;CAN &nbsp;NOT &nbsp;arise: &nbsp;&nbsp;surely, &nbsp;it is a function.




Questions may arise if and only if some input values are identical.


&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(which is not the case in this problem).