Решите неравенство: 4x^2<=9x.

\[4x² \leq 9x\]

\[4x^{2} - 9x = 0\]

\[x(4x - 9) = 0\]

\[x = 0,\ \ x = \frac{9}{4}\]

\[Ответ:\lbrack 0;2,25\rbrack.\]