问题 更新时间2024/11/15 11:20:00 设f,g均为实函数，f(x)=2x+1 ,g(x)=x2+1。求f°g, g°f,f°f,g°g。(简答题) 答案 登录 注册 所以 出自：国家开放大学 >> 2024年国家开放大学答案
问题 更新时间2024/11/15 11:20:00
搜题
搜题
问题 更新时间2024/11/15 11:20:00
答案
![](\"https://file.5any.com/UniversityV4.0/CourseProblem/e14fbe2d/3ec5ec77-edaf-44a4-b86f-5af7a0e39001/20181219145052354001.png\")
![](\"https://file.5any.com/UniversityV4.0/CourseProblem/e14fbe2d/3ec5ec77-edaf-44a4-b86f-5af7a0e39001/20181219145154312001.png\")
![](\"https://file.5any.com/UniversityV4.0/CourseProblem/e14fbe2d/3ec5ec77-edaf-44a4-b86f-5af7a0e39001/20181219145052709002.png\")
![](\"https://file.5any.com/UniversityV4.0/CourseProblem/e14fbe2d/3ec5ec77-edaf-44a4-b86f-5af7a0e39001/20181219145251851001.png\")
所以 ![](\"https://file.5any.com/UniversityV4.0/CourseProblem/e14fbe2d/3ec5ec77-edaf-44a4-b86f-5af7a0e39001/20181219145052484003.png\")
![](\"https://file.5any.com/UniversityV4.0/CourseProblem/e14fbe2d/3ec5ec77-edaf-44a4-b86f-5af7a0e39001/20181219145052263004.png\")
![](\"https://file.5any.com/UniversityV4.0/CourseProblem/e14fbe2d/3ec5ec77-edaf-44a4-b86f-5af7a0e39001/20181219145334635001.png\")
![](\"https://file.5any.com/UniversityV4.0/CourseProblem/e14fbe2d/3ec5ec77-edaf-44a4-b86f-5af7a0e39001/20181219145052938005.png\")