1．函数的定义域是_____________________．
2．已知集合，，则_____________________．
3．计算：_____________________．
4．已知函数，则_____________________．
5．若函数为偶函数，则实数_____________________．
6．方程的解是_____________________．
7．已知幂函数过点，则_____________________．
8．满足且的函数可以是_________．
9．函数的单调增区间为________________________．
10．记，则_____________________．
11．已知集合，，则____________
