函式f(x)=|lox|的單調遞增區間是( )(A)(0,] (B)(0,1] (C)(0,+∞) ...
問題詳情：
函式f(x)=|lo![函式f(x)=|lox|的單調遞增區間是( )(A)(0,] (B)(0,1] (C)(0,+∞) ...](https://i3.guoyuzhan.com/8d564b1d35eee34807/8c464006/d35111/d700145062bdf6520dc8.gif "函式f(x)=|lox|的單調遞增區間是( )(A)(0,] (B)(0,1] (C)(0,+∞) ..."){kind=small}
x|的單調遞增區間是( )
(A)(0,![函式f(x)=|lox|的單調遞增區間是( )(A)(0,] (B)(0,1] (C)(0,+∞) ... 第2張](https://i1.guoyuzhan.com/8d564b1d35eee34807/8c464006/d35111/d700145062bdf6520dcb.gif "函式f(x)=|lox|的單調遞增區間是( )(A)(0,] (B)(0,1] (C)(0,+∞) ... 第2張"){kind=small}
] (B)(0,1] (C)(0,+∞) (D)[1,+∞)
【回答】
D解析:f(x)的圖象如圖所示,由圖象可知單調遞增區間為[1,+∞).故選D.
![函式f(x)=|lox|的單調遞增區間是( )(A)(0,] (B)(0,1] (C)(0,+∞) ... 第3張](https://i2.guoyuzhan.com/8d564b1d35eee34807/8c464006/d35111/d700145062bdf64f15c8.jpg "函式f(x)=|lox|的單調遞增區間是( )(A)(0,] (B)(0,1] (C)(0,+∞) ... 第3張")
知識點：基本初等函式I
題型：選擇題
問題詳情：
函式f(x)=|lox|的單調遞增區間是( )
(A)(0,] (B)(0,1] (C)(0,+∞) (D)[1,+∞)
【回答】
D解析:f(x)的圖象如圖所示,由圖象可知單調遞增區間為[1,+∞).故選D.
知識點：基本初等函式I
題型：選擇題
