已知函數(shù)f(x)與g(x)的圖像關(guān)于原點(diǎn)對(duì)稱,且f(x)=x²+2x 1.求函數(shù)g(x)的解析式
已知函數(shù)f(x)與g(x)的圖像關(guān)于原點(diǎn)對(duì)稱,且f(x)=x²+2x 1.求函數(shù)g(x)的解析式
2.解不等式g(x)≥f(x)+x-1
3.若h(x)=g(x)-λf(x)+1在[-1,1]上是增函數(shù),求實(shí)數(shù)λ的取值范圍
2.解不等式g(x)≥f(x)+x-1
3.若h(x)=g(x)-λf(x)+1在[-1,1]上是增函數(shù),求實(shí)數(shù)λ的取值范圍
數(shù)學(xué)人氣:672 ℃時(shí)間:2019-08-19 01:34:01
優(yōu)質(zhì)解答
1、 ∵函數(shù)f(x)與g(x)的圖像關(guān)于原點(diǎn)對(duì)稱,且f(x)=x²+2x∴g(x)=-f(-x)=-[(-x)²+2(-x)]=-x²+2x2、g(x)≥f(x)+x-1有-x²+2x≥x²+2x+x-1→(x+1)(2x-1)≤0得到不等式的解集合...
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