求值域(1)y=log2(x) y=log2(2-x)^2 (3)y=log2(x^2-4x+6)(4)y=log1/2(x)(x≥2)(5)y=log1/2((x^2-2x+2)

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/30 22:58:03
求值域(1)y=log2(x) y=log2(2-x)^2 (3)y=log2(x^2-4x+6)(4)y=log1/2(x)(x≥2)(5)y=log1/2((x^2-2x+2)
x){iÞa~OgmN~Fe[ga 35600ѨxԹ(a "& m#M"}X f;0PFOvzk.}ﳩt]]`/{^]|V ę:/|`Ӷާ] <ݰiziOMڱ-Ov/.H̳*Ye

求值域(1)y=log2(x) y=log2(2-x)^2 (3)y=log2(x^2-4x+6)(4)y=log1/2(x)(x≥2)(5)y=log1/2((x^2-2x+2)
求值域(1)y=log2(x) y=log2(2-x)^2 (3)y=log2(x^2-4x+6)(4)y=log1/2(x)(x≥2)(5)y=log1/2(
(x^2-2x+2)

求值域(1)y=log2(x) y=log2(2-x)^2 (3)y=log2(x^2-4x+6)(4)y=log1/2(x)(x≥2)(5)y=log1/2((x^2-2x+2)
log以2为底是增函数,你先求出()里面的值域,这样再加log就可以得到整个的值域