试求下列函数在指定区间内的单调性:[tex=5.571x1.286]iO19nCJKVkg1kviUdmiwl1pI18ahJgdPy1nE64dXfoY=[/tex],[tex=3.357x1.286]U+f1Q3HlF52kntNzvjvu1pY0SaSCwNNc7bZDyBONdew=[/tex]。
举一反三
- 试证函数[tex=5.571x1.286]iO19nCJKVkg1kviUdmiwl1pI18ahJgdPy1nE64dXfoY=[/tex]在区间[tex=3.357x1.286]U+f1Q3HlF52kntNzvjvu1pY0SaSCwNNc7bZDyBONdew=[/tex]内的单调性。
- 设常数[tex=2.357x1.286]a9xCMucObW1FOUJSgznh5w==[/tex],函数[tex=2.929x1.286]bxDJBD1eh7UoKfKs5gMhsA==[/tex][tex=5.214x1.786]GRPxR1BEEgqTAA3YSC0aDhWRX6RY9Wq2eVhU0y8/0sA=[/tex]在[tex=3.357x1.286]U+f1Q3HlF52kntNzvjvu1pY0SaSCwNNc7bZDyBONdew=[/tex]内零点个数为 A: 3 B: 2 C: 1 D: 0
- 确定下列函数的单调区间(1)[tex=5.429x1.5]zlNKUQVVlxbefERazXUnzf2Tg9EhEhk2VXgGEki4+e0=[/tex]
- 求下列函数的单调区间、极值点和极值:(1)[tex=5.786x1.429]Xm05iQpjFRQdMYAxm+jG+zwiUFXX4xeKzSwAMWlGbEM=[/tex](2)[tex=3.5x1.214]tpMMnmsx8LGYaN6bnbpqKOAOTE+7uSs6mak76hnmsSQ=[/tex]
- 求下列函数的导函数:(1) [tex=5.0x2.357]X/CieCDGJ7iPQ3YFWuscHxHrcIE/dPFa9tFyiJXze8A=[/tex](2)[tex=6.643x1.714]Oj74y/L+OxY81QME5JWMcl+7PZ2FGQswwvjgVhjq1Dmb6dBU0oAjZBW7eFBVjqo6[/tex]