共50条信息
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___________.
设\(\dfrac{1}{3} < {{\left( \dfrac{1}{3} \right)}^{b}} < {{\left( \dfrac{1}{3} \right)}^{a}} < 1\),则
函数\(y=\log _{a}(2x-3)+8\)的图象恒过定点\(P\),\(P\)在幂函数\(f(x)\)的图象上,则\(f(4)=\)( ).
已知幂函数 \(y\)\(=(\)\(m\)\({\,\!}^{2}-5\)\(m\)\(-5)\)在\((0,+∞)\)上为减函数,则实数 \(m\)\(=\)__________.
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