Answer
Please see the graph.
Work Step by Step
Two points on the line
$x=1$
$y=\sqrt x-6$
$y=\sqrt 1-6$
$y=1-6 =-5$
$(1,-5)$
$x=4$
$y=\sqrt x-6$
$y=\sqrt 4-6$
$y=2-6 =-4$
$(4, -4)$
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