Question: Consider the following problem written in C - like pseudocode: int x = 7 ; / / Global variable void foo ( int a )

Consider the following problem written in C-like pseudocode:
int x =7; //Global variable void foo(int a){ x +=2; a +=3; } void main(){ foo(x); }
For each of the following parameter-passing methods, what will x be after the program executes assuming
1. Pass-by-value
X =
2. Pass-by-value-result (Be careful!)
X =
3. Pass-by-reference
X =

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