Consider the Recursive Function, Int Rec(int N)

question 1

Multiple Choice

Consider the recursive function, int rec(int n)
{
If (1 ==n )
Return 1;
Else
Return rec(n-1) + 2*n - 1;
}
Which of these expressions could replace a call to this function?

• A)n2 - 1
• B)n2 + 1
• C)n2
• D)(n + 1)2
• E)(n - 1)2

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