题目4单选题
运用趋势模型法进行长期趋势分析的数学依据是( )A. <img src="https://tihai-oss-cloud.itihey.com/img/53e4b811dc5f2511aab4015e3976556d.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/da37e913c25727c2eed8cf808121edec.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/a17e94fbeb8f979d91fe4e98f277a7b6.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/e5c6dea602b0745b962e4088f08f4aa9.png">