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  • 函數(shù)f(x)的定義域?yàn)镈,若對(duì)于X1,X2∈D,當(dāng)X1<X2時(shí),都有f(X1)≤f(X2),則稱f(x)在D上為非減函數(shù).設(shè)函數(shù)f(x)在[0,1]上為非減函數(shù),且滿足

    函數(shù)f(x)的定義域?yàn)镈,若對(duì)于X1,X2∈D,當(dāng)X1<X2時(shí),都有f(X1)≤f(X2),則稱f(x)在D上為非減函數(shù).設(shè)函數(shù)f(x)在[0,1]上為非減函數(shù),且滿足
    ①f(0)=0 ②f(x/3)=(1/2)*f(x) ③f(1-x)=1-f(x).
    則f(1/3)+f(1/8)=
    數(shù)學(xué)人氣:918 ℃時(shí)間:2020-03-25 05:11:50
    優(yōu)質(zhì)解答
    解,根據(jù)(3),取x = 0,得f(1)=f(1-0) = 1-f(0) = 1-0 = 1再根據(jù)(2)f(1/3) = 1/2 * f(1) = 1/2根據(jù)(3)f(1-x) = 1-f(x)所以f(2/3) = 1-f(1/3) = 1- 1/2 = 1/2即f(1/3) = f(2/3)因?yàn)閒(x)是非減函數(shù),所以當(dāng)1/3...
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