已知函数f(x)=log以a为底(x²-ax+3) (1)若函数f(x)的值域为R,求实数a的取值范围(2)当x属于0到2时,函数f(x)恒有意义,求实数a的取值范围
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 10:41:52
![已知函数f(x)=log以a为底(x²-ax+3) (1)若函数f(x)的值域为R,求实数a的取值范围(2)当x属于0到2时,函数f(x)恒有意义,求实数a的取值范围](/uploads/image/z/1643480-8-0.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%3Dlog%E4%BB%A5a%E4%B8%BA%E5%BA%95%EF%BC%88x%26%23178%3B-ax%2B3%EF%BC%89+%EF%BC%881%EF%BC%89%E8%8B%A5%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%E7%9A%84%E5%80%BC%E5%9F%9F%E4%B8%BAR%2C%E6%B1%82%E5%AE%9E%E6%95%B0a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%EF%BC%882%EF%BC%89%E5%BD%93x%E5%B1%9E%E4%BA%8E0%E5%88%B02%E6%97%B6%2C%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%E6%81%92%E6%9C%89%E6%84%8F%E4%B9%89%2C%E6%B1%82%E5%AE%9E%E6%95%B0a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4)
xTn@KHV'V
f m@Q(( Ԓ@.Џ/pǏtBg=̝3sFdql'Zp֝фL,xz6R?pV!KMH}rԀ4fbR~a MN^&Obwt4SΏٴw`ῼ9gh͡lƢy}Jfއ$_M ݥqG,[4t%O>BEq{@T#0C
{9|ۈւa>.a"F