log2 x单调增,2x单调增∴f(x)=log2 x +2 x∈[1,16] 单调增[f(x)}^2单调增,f(x^2)单调增∴y={f(x)]^2+f(x^2)单调增ymin=[f(1)]^2+f(1)=[log2 1 +2 *1]^2+[log2 1^2 +2 *1^2]=2^2+2=6ymax=[f(16)]^2+f(16^2)=[log2 16 ...