摘要:故当时, 函数f(x)的图象与x轴有且只有一个交点. -- 13分
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已知函数f(x)的定义域是
,且f(x)+f(2-x)=0,
,当
时,f(x)=3x.
(1)求证:f(x+2)=f(x)且f(x)是奇函数;
(2)求当
时函数f(x)的解析式,并求x∈
Z)时f(x)的解析式;
(3)当x∈
时,解不等式log3f(x)>x2-(2k+2)x+2k+1.
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(1)求证:f(x+2)=f(x)且f(x)是奇函数;
(2)求当
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(3)当x∈
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