设F(X)=lg(1/2-2^x+4^x*A)/3,如果当x∈(负无穷,1]时F(x)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:2024/07/18 20:39:15
![设F(X)=lg(1/2-2^x+4^x*A)/3,如果当x∈(负无穷,1]时F(x)有意义,求实数A的取值范围](/uploads/image/z/2491661-29-1.jpg?t=%E8%AE%BEF%28X%29%3Dlg%281%2F2-2%5Ex%2B4%5Ex%2AA%29%2F3%2C%E5%A6%82%E6%9E%9C%E5%BD%93x%E2%88%88%28%E8%B4%9F%E6%97%A0%E7%A9%B7%2C1%5D%E6%97%B6F%EF%BC%88x%EF%BC%89%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)
xURY}VSݱEJʪPYhSSքT1Ff@Q0(Tba`^
smDX*Uws{ox]s·/1Ȫ_BHcVȠRsuHKGIyEK/f*>6 MnZJwZ/{%dr~}
Z;r{WOVY4xڟEkgGzgY|98Th$㴒9"ݏV'kɪ`bQT-(Z
qV:i~Bn;?"2,+"pEfքa]$!I^2)Yy3CNOpQfI=K)Al܃M#(ڢsOnHңĘD<"!\l|UyCVnx!`P1 |؇$hVAAo_ܠ'&{qVo90u/(k\݃
M͌rg &Vq&ʄ
mOTjfyrL[HIw = ^oЯ~քc?}./@=Z,PoZ?XRPy xxB~Y*E
0
;Chxqqq^橛<%;47ih@ԬNqMPEL/NPCa=MI.lVn74IM W#f\!^uːlbDaQ!,"]So
YG1<><]\ԹEn̯Ȃs>^Hu~>\?4L4m8->#SYx>)ӏ5mup ҽ&mG*[Ó
m'wM=Ltk]aٌ<۵s]adq46F7