共50条信息
已知点\((a,\dfrac{1}{2})\)在幂函数\(f\left( x \right)=(a-1){{x}^{a}}\)的图象上,则函数\(f\left( x \right)\)是\((\) \()\)
已知函数\(f(x)=(m^{2}-m-5)x^{m}\)是幂函数,且在\(x∈(0,+∞)\)上为增函数,则实数\(m\)的值是\((\) \()\)
已知函数\(f(x)=x{\,\!}^{ \frac{1}{2}} \),则\((\) \()\)
已知\(a∈\{-1,1,2,3\}\),则使函数\(y=x^{a}\)的值域为\(R\),且为奇函数的所有\(a\)的值为________.
设函数\(y={{x}^{3}}\)与\(y={{\left( \dfrac{1}{2} \right)}^{x-2}}\)的图象的交点为\(\left({x}_{0},{y}_{0}\right) \),则\({{x}_{0}}\)所在的区间是 ( )
已知幂函数\(y=f(x)\)的图像过点\((2,\sqrt{2})\),则\(f(9)=\)________.
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