1 Answer

Drazen · Answer 1 · 2019-03-02T23:43:49+0000

For the function
y=√(x) the domain is
$x\ge 0.$

Consider function
y=√(5-x).

The expression under the root should be greater or equal to zero:

$5-x\ge 0,\\-x\ge -5,\\x\le 5.$

Answer: the domain of the function
y=√(5-x) is
$x\le 5.$

Please log in or register to add a comment.