Question

допоможіть це алгебра ​

Answer 1

$\displaystyle\bf\\f(x)=\frac{3}{x} \ \ ; \ \ x_{0} =\frac{1}{3} \\\\\\f(x_{0} )=f\Big(\frac{1}{3} \Big)=3:\frac{1}{3} =3\cdot 3=9\\\\\\Otvet \ : \ f(x_{0} )=9$