题型:问答题 简答题 已知函数f(x)=ax2-|x|+2a-1(a为实常数).(1)若a=1,求f(x)的单调区间;(2)若a>0,设f(x)在区间[1,2]的最小值为g(a),求g(a)的表达式. 查看答案
题型:问答题 简答题 When people visit the USA, they can see_______.A.the Eiffel TowerB.the Opera HouseC.the Statue of LibertyD.the pyramids 查看答案