[tex]f(x) = (\frac{3}{\sqrt[3]{3} } )^{x}\ ;\ P(a,\frac{1}{9} )\\\\\frac{1}{9} = (\frac{3}{\sqrt[3]{3} } )^{a}\\\frac{1}{9} = (3^{1}*3^{-\frac{1}{3}} } )^{a}\\3^{-2} = (3^{\frac{2}{3}} } )^{a}\\3^{-2} = 3^{\frac{2a}{3}} } \\\frac{2a}{3} = -2\\2a = -6\\a = -3\\\\Odp: A[/tex]
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[tex]f(x) = (\frac{3}{\sqrt[3]{3} } )^{x}\ ;\ P(a,\frac{1}{9} )\\\\\frac{1}{9} = (\frac{3}{\sqrt[3]{3} } )^{a}\\\frac{1}{9} = (3^{1}*3^{-\frac{1}{3}} } )^{a}\\3^{-2} = (3^{\frac{2}{3}} } )^{a}\\3^{-2} = 3^{\frac{2a}{3}} } \\\frac{2a}{3} = -2\\2a = -6\\a = -3\\\\Odp: A[/tex]