8) How does a smart pointer differ from a regular pointer? 9) Interpret the following statement, explaining the components as necessary (*this).displayO l S 10) Why will accessing non-static attributes using a static function cause a compilation error? 11) What makes an object a function object? Give an example of how a function object is used 12) With respect to the following code fragment, what type of class is x and what kind of function is dx? class X public: virtual void dx() const = 0