Question: C++: int b=3; mystery (b ); //function call void mystery (int &val) //function definition { for (int c = 0; c < 5; c++) al+=

C++:

int b=3; mystery (b ); //function call void mystery (int &val) //function definition { for (int c = 0; c < 5; c++) al+= 2; }

WHY is the value of b = 13 after the function call?

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