对于函数<img src="/lqwvjeImg/dc/dc845f44b0df5c80a51c7bbffc95573b.png"style="width:97px;height:24px;">,下列错误的是( )<br>·单调递增区间为<img src="/lqwvjeImg/21/21e96953c76f5cf9dcad2d55008d545c.png"style="width:45px;height:22px;"><br>·单调递减区间为<img src="/lqwvjeImg/1f/1f4185444bf3c00cef3878619a094631.png"style="width:48px;height:22px;"><br>·极小值为<img src="/lqwvjeImg/2f/2f0fd9e17a3dd6e53d0ce249b214bd3e.png"style="width:13px;height:18px;"><br>·无拐点,无渐近线