\[f(x) = \frac{2}{5}x - 3\]
\[f(0) = - 3\]
\[С\ осью\ y \Longrightarrow (0;\ - 3).\]
\[\frac{2}{5x} - 3 = 0\]
\[\frac{2}{5}x = 3\]
\[x = 7,5\]
\[С\ осью\ x \Longrightarrow (7,5;0).\]
\[Ответ:(0;\ - 3);\ \ (7,5;0).\]