紧急求此数学题解答 若详尽再加钱咧设实数a属于[-1,3],函数f(x)=x^2-(a+3)x+2a,当f(x)>1时,实数x的取值范围是( )A.[-1,3] B(-5,+无穷) C.(-无穷,-1)交(5,+无穷) D.(-无穷,1)交(5,+无穷)
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/25 12:20:34
![紧急求此数学题解答 若详尽再加钱咧设实数a属于[-1,3],函数f(x)=x^2-(a+3)x+2a,当f(x)>1时,实数x的取值范围是( )A.[-1,3] B(-5,+无穷) C.(-无穷,-1)交(5,+无穷) D.(-无穷,1)交(5,+无穷)](/uploads/image/z/9298061-53-1.jpg?t=%E7%B4%A7%E6%80%A5%E6%B1%82%E6%AD%A4%E6%95%B0%E5%AD%A6%E9%A2%98%E8%A7%A3%E7%AD%94+%E8%8B%A5%E8%AF%A6%E5%B0%BD%E5%86%8D%E5%8A%A0%E9%92%B1%E5%92%A7%E8%AE%BE%E5%AE%9E%E6%95%B0a%E5%B1%9E%E4%BA%8E%5B-1%2C3%5D%2C%E5%87%BD%E6%95%B0f%28x%29%3Dx%5E2-%28a%2B3%29x%2B2a%2C%E5%BD%93f%28x%EF%BC%89%3E1%E6%97%B6%2C%E5%AE%9E%E6%95%B0x%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E6%98%AF%EF%BC%88++%EF%BC%89A.%5B-1%2C3%5D+++++B%EF%BC%88-5%2C%2B%E6%97%A0%E7%A9%B7%EF%BC%89++C.%EF%BC%88-%E6%97%A0%E7%A9%B7%2C-1%EF%BC%89%E4%BA%A4%EF%BC%885%2C%2B%E6%97%A0%E7%A9%B7%EF%BC%89++D.%EF%BC%88-%E6%97%A0%E7%A9%B7%2C1%EF%BC%89%E4%BA%A4%EF%BC%885%2C%2B%E6%97%A0%E7%A9%B7%EF%BC%89)
xTnP
.]],GD,PK4(($MԔ<T*J"0x*б/D%ݴw9Ҧ۩LUWD\[ظx3Qo5/56nT;mܩy7xyLPN݂)FJŖC<䋺"FGtK.Eo"k{{U<ꈃ歝 سjB銲 sQ?&QS>]l[zuA՟ /(sݛ*@
}[w뛀^>H.p9sLO!Kz*D%"qՇK(ZIbCz>g)r{^f`Ltbvz[GYE;O}$nL@ D7{bpLT_NFFYuzig[Y(wbV\o<څ=@HWy؊|!-LFȌ˷eA"P