The correct prototype for the following function heading is

int F1(int a, float b, char c, double t[])

1. int F1(int, float, char, double []);

2. int F1(int a, float b, char c, double t[])

3. int F1(int a, float b, char c, double t);

4. int F1(int a, float b, char c, double t[], int size);