已知函数f(x)=-2x²+mx-3为(-5,-3+n)上的偶函数.(1)求实数m、n的值.已知函数f(x)=-2x²+mx-3为(-5,-3+n)上的偶函数.(1)求实数m、n的值.(2)、证明:f(x)在(-5,0]上是增函数.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 18:48:41
![已知函数f(x)=-2x²+mx-3为(-5,-3+n)上的偶函数.(1)求实数m、n的值.已知函数f(x)=-2x²+mx-3为(-5,-3+n)上的偶函数.(1)求实数m、n的值.(2)、证明:f(x)在(-5,0]上是增函数.](/uploads/image/z/3961770-42-0.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3D-2x%26sup2%3B%2Bmx-3%E4%B8%BA%EF%BC%88-5%2C-3%2Bn%EF%BC%89%E4%B8%8A%E7%9A%84%E5%81%B6%E5%87%BD%E6%95%B0.%281%29%E6%B1%82%E5%AE%9E%E6%95%B0m%E3%80%81n%E7%9A%84%E5%80%BC.%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3D-2x%26sup2%3B%2Bmx-3%E4%B8%BA%EF%BC%88-5%2C-3%2Bn%EF%BC%89%E4%B8%8A%E7%9A%84%E5%81%B6%E5%87%BD%E6%95%B0.%281%29%E6%B1%82%E5%AE%9E%E6%95%B0m%E3%80%81n%E7%9A%84%E5%80%BC.%282%29%E3%80%81%E8%AF%81%E6%98%8E%EF%BC%9Af%28x%29%E5%9C%A8%EF%BC%88-5%2C0%5D%E4%B8%8A%E6%98%AF%E5%A2%9E%E5%87%BD%E6%95%B0.)
xT[OQ+DҽK[ZuJ!.>[hABA%(7A.mԿݳ+4bIMN7|sF'R+ckf+31&/UJ9^
dBym~9/跶Yn(CpC>9dM5+,9P>XsCj}M6/\htFK6櫇R*A]!c;
G1Gf&gStzI-hnƐ35/;$ dYEqi+i#:- bh+ilf@ryrX9