题目

已知函数 （1）求曲线在点处的切线方程； （2）求函数在区间上的最大值和最小值. 答案：（1）（2）最大值1最小值. At a rough estimate（估计）, Nigeria is ____ Great Britain. A. three times the size as                                   B. the size three times of C. three times the size of                                              D. three times as the size of