Question

найдите область определения функции у=√(2х+3)(х-1)

Answer 1

у=√(2х+3)(х-1)

 

(2x+3)(x-1)>=0

2(x+1,5)(x-1)>=0

 

   +                                     -                                      +

__________ -1,5________________ 1 ____________________

 

$(-infty; -1,5]cup[1;+infty)$