Question

знайдіть одз виразу срочно прошу ​

Answer 1

$y=\sqrt{\frac{\frac{9}{7} x-63}{5} } \\\frac{\frac{9}{7} x-63}{5}\geq 0\\\frac{{9} x-441}{35}\geq 0\\9x\geq 441\\x\geq \frac{441}{9} \\x\geq 49$

x ∈ [49; +∞).