已知函数f(x)的定义域为(-∞,0)∪(0,+∞),f(x)是奇函数,且当x>0时,f(x)=x^2-x+a,若函数g(x)=f(x)-x的零点恰有两个,则实数a的取值范围是A.a<0 B.a≤0 C.a≤1 D.a≤0或a=1
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/31 05:31:05
![已知函数f(x)的定义域为(-∞,0)∪(0,+∞),f(x)是奇函数,且当x>0时,f(x)=x^2-x+a,若函数g(x)=f(x)-x的零点恰有两个,则实数a的取值范围是A.a<0 B.a≤0 C.a≤1 D.a≤0或a=1](/uploads/image/z/1001651-59-1.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F%E4%B8%BA%28-%E2%88%9E%2C0%29%E2%88%AA%280%2C%2B%E2%88%9E%29%2Cf%28x%29%E6%98%AF%E5%A5%87%E5%87%BD%E6%95%B0%2C%E4%B8%94%E5%BD%93x%EF%BC%9E0%E6%97%B6%2Cf%28x%29%3Dx%5E2-x%2Ba%2C%E8%8B%A5%E5%87%BD%E6%95%B0g%28x%29%3Df%28x%29-x%E7%9A%84%E9%9B%B6%E7%82%B9%E6%81%B0%E6%9C%89%E4%B8%A4%E4%B8%AA%2C%E5%88%99%E5%AE%9E%E6%95%B0a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E6%98%AFA.a%EF%BC%9C0+B.a%E2%89%A40+C.a%E2%89%A41+D.a%E2%89%A40%E6%88%96a%3D1)
xUNG~R$#T^Km
\%ۄmLmLa7l얀.hg+Mi*U|=s9s9RzFw3;9\*n4{y7-k[o`W+(]R>XuAr~'*q*1._O;z8>sc%nT )p?zp4 Ns̲eڞ$!#~Eyp'S((Diq.C8\[S>x\2$WVӜ,qG>yoqُ=~!O:x,yY7 `\w P|dɇqoxt"<#}@*#\|߷Dh ʒ[ZA I+!j!(?wn2zX
y㓾2D6bARE6XTwVbn7-KD lrog3sgKJ i7gGBSlnzxط<@jvfldpw7慁07#$@ m M҅!Q,?ߺ PT/~ԡwk %n>L+R4+݂[IGƟwhd(W8xDzۦ}z8fY%5U amTa^ۻE~Zst✣QMWy'ۙߡQzw,3QǬ#
3u_8 w폻V,}X&8l%ީx[}{Wz>8UqSkAeG8JرA09\@M+6e:<Y
^=#
e^%