Question

Найдите область определения функции: у=√(5х-8)(х+3)​

Answer 1

$y = \sqrt{(5x - 8)(x + 3)} \\ (5x - 8)(x + 3) \geqslant 0 \\ (x - 1.6)(x + 3) \geqslant 0 \\ + + + [ - 3] - - - [1.6] + + + \\ x \: \epsilon\: ( - \propto; \: - 3]U[1.6; \: + \propto)$