题目8单选题
函数<img src="https://tihai-oss-cloud.itihey.com/img/da0119c5fd4dd723a6c45c167eabf210.webp">的单调区间是( )A. 在<img src="https://tihai-oss-cloud.itihey.com/img/18517dac159b2e580bd8b99227a47f05.webp">上,单调增加B. 在<img src="https://tihai-oss-cloud.itihey.com/img/18517dac159b2e580bd8b99227a47f05.webp">上,单调减少C. 单调增区间为<img src="https://tihai-oss-cloud.itihey.com/img/b4e217f9dc43748c0f72ce6333827703.webp">,单调减区间为<img src="https://tihai-oss-cloud.itihey.com/img/66113e5ff083f9306386516d235093fd.webp">D. 单调减区间为<img src="https://tihai-oss-cloud.itihey.com/img/b4e217f9dc43748c0f72ce6333827703.webp">,单调增区间为<img src="https://tihai-oss-cloud.itihey.com/img/66113e5ff083f9306386516d235093fd.webp">