已知函数的图象过点P, 且在点M处的切线方程为. (1) 求函数的解析式;

已知函数的图象过点P, 且在点M处的切线方程为.

(1) 求函数的解析式;       (2) 求函数的单调区间.

答案

解:(1) 的图象经过P,, 所以

.

由在处的切线方程是,

,

故所求的解析式是

(2)

解得  

内是增函数, 内是减函数,

内是增函数.

相关题目

下列物质分类的正确组合是(   ) 选项酸碱碱性氧化物盐
下列物质分类的正确组合是(   ) 选项酸碱碱性氧化物盐 AH2CO3纯碱CaO明矾 BH2SO4烧碱Na2O小苏打 CHNO3氨水Al2O3石灰石 DNaHCO3熟石灰Al(OH)3食盐
自节假日高速公路免费通行方案出台后,节假日期间越来越
自节假日高速公路免费通行方案出台后,节假日期间越来越多的游客选择“自驾游”。于是,许多经营客运的汽车运输公司纷纷减少发往旅游景点的班
Don’t worry. I’m sure your children will _______ (渐渐地) learn to unders
Don’t worry. I’m sure your children will _______ (渐渐地) learn to understand you.  
He is my father and I know he will forgive me for _______ I have done.    
He is my father and I know he will forgive me for _______ I have done.        A. whatever        B. no matter what        C. no matter how         D. whichever    
 -Do you know        tomorrow morning?   -Sorry. Let’s go and ask t
 -Do you know        tomorrow morning?   -Sorry. Let’s go and ask the teacher over these.   A. when we started                     B. when did we start   C. whe
The likely reactions of the market would need to be ____ before we acted. A. con
The likely reactions of the market would need to be ____ before we acted. A. considered on  B. based on   C. relied on   D. reflected on  
下列电子排布图所表示的元素原子中,其能量处于最低状态
下列电子排布图所表示的元素原子中,其能量处于最低状态的是(   )
Sadness is unpleasant, and in a society where personal happiness is prized above
Sadness is unpleasant, and in a society where personal happiness is prized above all else, there is little tolerance for falling in despair. Especially now we’ve got drugs for getting rid of sad fee

最新题目