Domain
sqrt(x)
(0,0)
sqrt(16)
4
sqrt(x+1)-2
(-1,-2)
sqrt(81)
9
sqrt(x-2)+4
(2,4)
sqrt(256)
16
graph y = - sqrt(x-2)+3
What is (see graphs)
sqrt(x)-6
(0,-6)
the domain of this graph (see graph)
What is [-5, infinity)
-sqrt(x+2.5)-3
x=7
sqrt(-400)
No solution
Or 20i