已知二次函数f(x)=-x²+(2t-1)x+(t²+1) ①若f(x)在(-无穷大,-1]上为增已知二次函数f(x)=-x²+(2t-1)x+(t²+1)①若f(x)在(-无穷大,-1]上为增函数,求t的取

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/04 07:23:55
xRJP = #DB]]H]JHS52+ E(KQ'Fv^lNԻH袋sMܴG%N.L經xDƺ"F"Jg5Zl^RmÄHeN^yyZQ:yQ#of?wAr-4N߭0 N5! { ZoS"%zb nY&o,7ʸ@$O>tաfoVmhڥlM˱#4.4C?9/;w:iNhWAf4">12R2-pdSa pO,pbë.a1f:ж/[X8d+ z