实验2-3-4 计算分段函数[2]

#include<stdio.h>
#include<math.h>
int main()
{
   float x;
   float y;
   scanf("%f",&x);
   if(x>=0){
   	y=pow(x,0.5);
   
   }
   else{
   	float a;
   	a=x+1;
   	float b;
   	b=pow(a,2);
   	y=b+2*x+1/x;
   
   }
   	printf("f(%.2f) = %.2f",x,y);
   
	
	return 0;
 }