Identify which of the following are declarations_x000D_ _x000D_ _x000D_ 1 :_x000D_ extern int x;_x000D_ _x000D_ _x000D_ 2 :_x000D_ float square ( float x ) { ... }_x000D_ _x000D_ _x000D_ 3 :_x000D_ double pow(double, double);

Identify which of the following are declarations_x000D_ _x000D_ _x000D

1.	Identify which of the following are declarations_x000D_ _x000D_ _x000D_ 1 :_x000D_ extern int x;_x000D_ _x000D_ _x000D_ 2 :_x000D_ float square ( float x ) { ... }_x000D_ _x000D_ _x000D_ 3 :_x000D_ double pow(double, double);
A.	1
B.	2
C.	1 and 3
D.	3
Answer» D. 3