} # 8 Read the following code and predict the output: #include <iostream> using namespace std; } int functionl (int, int, int); 10 void function2 (int &); int main() int x 5, y = 10, z = -10; cout << "result1 " << functionl (x, y, z) << endl; cout << "x = " << x << " before function1 call" << endl; function2 (x); " cout << "x = << x << " after functionl call" << endl; return 0; int function1 ( int a, int b, int c ) return a b✶ c; Page 2 of 3 (Show details for partial credit) void function2 ( int &a ) a += a; }