共50条信息
在同一直角坐标系中,函数\(f\left(x\right)={x}^{a}\left(x\geqslant 0\right),g\left(x\right)={\log }_{a}x \)的图像可能是\((\) \()\)
设\(a={{0.6}^{0.6}}\),\(b={{0.6}^{1.5}}\),\(c={{1.5}^{0.6}}\),则\(a\),\(b\),\(c\)的大小关系是( )
已知幂函数\(f\left( x \right)={{x}^{\alpha }}\)过点\(\left( 2,8 \right)\),则满足\(f\left( a+1 \right) < f\left( 3-2a \right)\)的\(a\)的取值范围是___________.
函数\(f(x){=}(m^{2}{-}m{-}1)x{{ }}^{m^{2}{+}m{-}3}\)是幂函数,且当\(x{∈}(0{,}{+∞})\)时\(f(x)\)是减函数,则实数\(m{=}\) ______ .
若\(a > b > 1,0 < c < 1 \),则
设\(\dfrac{1}{3} < {{\left( \dfrac{1}{3} \right)}^{b}} < {{\left( \dfrac{1}{3} \right)}^{a}} < 1\),则
已知幂函数\(f(x)=k{{x}^{\alpha }}\)的图像经过点\((\dfrac{1}{2},\dfrac{\sqrt{2}}{2})\),则\(k+α= \)_________.
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