In the function declaration shown, the mechanism used to call this function is known as: double pow(double base, double exp). pass by name call by value by name pass by value
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In the function declaration `double pow(double base, double exp)`, the mechanism used to call this function is known as **pass by value**. In this context, it means that when you call the function, a copy of the actual parameters is passed to the function. This ensures that any modifications made to the parameters inside the function do not affect the original variables used in the function call. When using pass by value, it is essential to remember that the function operates on copies of the arguments. Therefore, if you need to maintain changes outside of the function, you'll either have to return values or use pass by reference to manipulate the original variables directly.