Question

Domain of function f(x)=
$\sqrt{x - 2} - 1$
​

Answer 1

$\sqrt{x - 2} - 1$

$domain \: =$

$\sqrt{x - 2} - 1 \geqslant 0$

$\sqrt{x - 2} \geqslant 1$

$squaring \: on \: both \: sides$

$x - 2 \geqslant 1$

$x \geqslant 3$

$(3. \infty )$