Question: What does the following function do: int fun(int a, int b) { if (b == 0) return 0; return (a + fun(a, b-1)); } O

What does the following function do: int fun(int a, int b)

What does the following function do: int fun(int a, int b) { if (b == 0) return 0; return (a + fun(a, b-1)); } O a. x*y O b.x^y O C. X+x*y O d. x+y

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