1.x=0 g(x)=2 f[g(x)]=7
2.x>0 g(x)=2 f[g(x)]=7
3.-√2≤x<0 0≤g(x)<2 f[g(x)]=3(2-x^2)+1=7-3x^2
4.x<-√2 g(x)<0 f[g(x)]=(2-x^2)^2=x^4-4X^2+4
1.x=0 g(x)=2 f[g(x)]=7
2.x>0 g(x)=2 f[g(x)]=7
3.-√2≤x<0 0≤g(x)<2 f[g(x)]=3(2-x^2)+1=7-3x^2
4.x<-√2 g(x)<0 f[g(x)]=(2-x^2)^2=x^4-4X^2+4