Consider the Following Definition of the Recursive Function Mystery $\quad$ Return 0;
Else If (Num % 2 == 0)

question 22

Multiple Choice

Consider the following definition of the recursive function mystery.
int mystery(int num)
{
if (num <= 0)
$\quad$ return 0;
else if (num % 2 == 0)
$\quad$ return num + mystery(num - 1) ;
else
$\quad$ return num * mystery(num - 1) ;
}
What is the output of the following statement?
Cout << mystery(5) << endl;

• A) 50
• B) 65
• C) 120
• D) 180

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Definitions:

Gradual Strengthening

The process of incrementally increasing strength over time, often used in physical training and rehabilitation contexts.

Rewarded Behaviours

Actions that are followed by a reward, thus increasing the likelihood of those behaviors being repeated in the future.

Law of Effect

A psychological principle suggesting that behaviors followed by satisfactory outcomes are likely to recur, while those followed by unsatisfactory outcomes are less likely to be repeated.

Satisfying Effects

Positive outcomes or feelings that result from fulfilling or exceeding one's needs or expectations.