滿足不等式的最小整數(shù)解等于 . 查看更多

 

題目列表(包括答案和解析)

若函數(shù)f(x)滿足:在定義域內(nèi)存在實(shí)數(shù)x0,使f(x0+k)=f(x0)+f(k)(k為常數(shù)),則稱“f(x)關(guān)于k可線性分解”.
(1)函數(shù)f(x)=2x+x2是否關(guān)于1可線性分解?請說明理由;
(2)已知函數(shù)g(x)=lnx-ax+1(a>0)關(guān)于a可線性分解,求a的范圍;
(3)在(2)的條件下,當(dāng)a取最小整數(shù)時(shí);
(i)求g(x)的單調(diào)區(qū)間;
(ii)證明不等式:(n!)2≤en(n-1)(n∈N*).

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若函數(shù)f(x)滿足:在定義域內(nèi)存在實(shí)數(shù)x0,使f(x0+k)=f(x0)+f(k)(k為常數(shù)),則稱“f(x)關(guān)于k可線性分解”.
(1)函數(shù)f(x)=2x+x2是否關(guān)于1可線性分解?請說明理由;
(2)已知函數(shù)g(x)=lnx-ax+1(a>0)關(guān)于a可線性分解,求a的范圍;
(3)在(2)的條件下,當(dāng)a取最小整數(shù)時(shí);
(i)求g(x)的單調(diào)區(qū)間;
(ii)證明不等式:(n!)2≤en(n-1)(n∈N*).

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若函數(shù)f(x)滿足:在定義域內(nèi)存在實(shí)數(shù)x,使f(x+k)=f(x)+f(k)(k為常數(shù)),則稱“f(x)關(guān)于k可線性分解”.
(1)函數(shù)f(x)=2x+x2是否關(guān)于1可線性分解?請說明理由;
(2)已知函數(shù)g(x)=lnx-ax+1(a>0)關(guān)于a可線性分解,求a的范圍;
(3)在(2)的條件下,當(dāng)a取最小整數(shù)時(shí);
(i)求g(x)的單調(diào)區(qū)間;
(ii)證明不等式:(n!)2≤en(n-1)(n∈N*).

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若函數(shù)f(x)滿足:在定義域內(nèi)存在實(shí)數(shù)x,使f(x+k)=f(x)+f(k)(k為常數(shù)),則稱“f(x)關(guān)于k可線性分解”.
(1)函數(shù)f(x)=2x+x2是否關(guān)于1可線性分解?請說明理由;
(2)已知函數(shù)g(x)=lnx-ax+1(a>0)關(guān)于a可線性分解,求a的范圍;
(3)在(2)的條件下,當(dāng)a取最小整數(shù)時(shí);
(i)求g(x)的單調(diào)區(qū)間;
(ii)證明不等式:(n!)2≤en(n-1)(n∈N*).

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(2013•成都模擬)若函數(shù)f(x)滿足:在定義域內(nèi)存在實(shí)數(shù)x0,使f(x0+k)=f(x0)+f(k)(k為常數(shù)),則稱“f(x)關(guān)于k可線性分解”.
(1)函數(shù)f(x)=2x+x2是否關(guān)于1可線性分解?請說明理由;
(2)已知函數(shù)g(x)=lnx-ax+1(a>0)關(guān)于a可線性分解,求a的范圍;
(3)在(2)的條件下,當(dāng)a取最小整數(shù)時(shí);
(i)求g(x)的單調(diào)區(qū)間;
(ii)證明不等式:(n!)2≤en(n-1)(n∈N*).

查看答案和解析>>


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