皮皮学，免费搜题
登录
搜题
【简答题】
若函数y=f（x）在x=x 0 处取得极大值或极小值，则称x 0 为函数y=f（x）的极值点。已知a，b是实数，1和-1是函数f（x）=x 3 +ax 2 +bx的两个极值点。 （1）求a和b的值； （2）设函数g（x）的导函数g′（x）=f（x）+2，求g（x）的极值点； （3）设h（x）=f（f（x））-c，其中c∈[-2，2]，求函数y=h（x）的零点个数。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【多选题】“法律至上”内涵着“良法之治”。所谓的良法通常应具备( )等要素。
A.
传承经典
B.
制定完备
C.
有效规范社会生活，并符合社会需要
D.
法律应当保持内在的一致性，与时俱进
【简答题】Fill in the blanks in the following sentences with the correct form of the phrases from the following. venture, spurt, retort, stumble, contract I _____ a new plan at the meeting because I had mad...
【单选题】Yao Ming, who ______ the Houston Rockets, is working hard to make his dream come true.
A.
joined
B.
joined in
C.
took part in
D.
competed in
【单选题】Although he has failed many times, he keeps _____ hard to make his dream come true.
A.
working
B.
to work
C.
worked
【简答题】Fill in the blanks in the following sentences with the correct form of the phrases from the following. incongruous, chill, bulging, harrowing, cross Don't get ______ with me just because I accidental...
【单选题】Which of the following conclusion about the Grand Canyon can be drawn from the passage?
A.
Its contours are constantly changing.
B.
It contains approximately 14 million tons of rock.
C.
Its eruptions have increased in recent years.
D.
It is being eroded by toxic waste and pollutants.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
