#include <stdio. h> #include <math.h> main( double y( double x); double f,s,x; scanf(“%f”,&x); 6.9/y( exp(x))+y(sin(x)); =y(f*)/y( sgrt(x)) printf(“f=%fns=%fn”,f,s);6 #include <stdio.h> #include <math.h> main( ) { double y ( double x ) ; double f , s , x ; scanf ( “%f ” , &x ) ; f = 6.9/y ( exp (x) ) + y ( sin (x) ) ; s=y ( f*f ) / y ( sqrt ( x ) ) ; printf ( “f=%f\ns=%f\n” , f , s ) ; }