Question: Consider the member function call reg.add _ item ( 2 , 1 9 . 9 5 ) ; Which of the following describes the role

Consider the member function call
reg.add_item(2,19.95);
Which of the following describes the role of reg in this call?
It is the default parameter.
It is an explicit parameter.
It is an implicit parameter.
It is a constructor parameter.
Consider the member function call reg.add _ item

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