
A.f-1 (x)= x2-x+2(x≥0) B.f-1 (x)=
x2-x+2(x≥2)
C.f-1 (x)= x2-x+2(x≤1) D.f-1 (x)=
x2-x+2(x≤0)
A.f-1 (x)= x2-x+2(x≥0) B.f-1 (x)=
x2-x+2(x≥2)
C.f-1 (x)= x2-x+2(x≤1) D.f-1 (x)=
x2-x+2(x≤0)
答案:D