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f(x)=1g(x)=x^0bf(x)=x-1g(x)=x^2/x-1BE=BCCE=BCCA/219.6x14.2x5.2cmy=x2-4x5在3≤x≤5
题目详情
f(x)=1 g(x)=x^0 b f(x)=x-1 g(x)=x^2/x-1BE=BC CE=BC CA/2
19.6 x 14.2 x 5.2 cmy=x2-4x 5在3≤x≤5
19.6 x 14.2 x 5.2 cmy=x2-4x 5在3≤x≤5
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答案和解析
f(x)=1 与g(x)=x^0,
f(x)=x-1与 g(x)=x^2/x-1
都不是相同函数,因为两者的定义域不同.
f(x)=x-1与 g(x)=x^2/x-1
都不是相同函数,因为两者的定义域不同.
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