皮皮学，免费搜题
登录
搜题
【单选题】
设函数f(x)在 处可导,则A.
曲线 在 处一定有切线
B.
曲线 在 处可能无切线
C.
f(x)在 处的增加量为
D.
曲线 在 处切线斜率不一定为
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】The boy ____________ is playing ping-pong is my classmate. 2. The e-mail ___________ I received yesterday was from my sister. 3. I hate people ______________ talk much but do little. 4. The car ______...
【简答题】What's the coolest kind of transportation ( 交通 ) for middle school students back from winter holidays? A racing bike? A car? No, it's a special kind of shoes called Heelys ( 暴走鞋 ). Heelys look just li...
【简答题】We are dancing in the living room. Just the two of us. I'm the one in the blue jeans and T-shirt, getting ready for work. He's the little guy in my arms, almost three, still in his gold pajamas with t...
【简答题】皮亚杰对幼儿道德判断发展阶段是怎样划分的。
【单选题】Living one&39; s life is really like driving on a highway. First,to drive well,the driver must carefully examine the (1) of his car,just as he cares for his own health. Once he goes on the highway,he ...
A.
seat
B.
condition
C.
petrol
D.
passenger
【简答题】What's the coolest kind of transportation for middle school students back from the winter holidays?A racing bike?A car?No,it's a special 1 of shoes called Heelys(暴走鞋).Heelys look just like common 2 sh...
【简答题】A racing bike? A car? No , it's a special kind of shoes called Heelys . Heelys looks just like ordinary sports shoes , but they have a wheel( 轮子 ) in the heel( 鞋跟 ) . So instead of walking , kids can ...
相关题目：