Question

What is the domain of y= the square root of x+2

Answer 1

look at the graph

Answer 2

do you know what y=square root of x looks like?

Answer 3

+2 is going to move the parent function either right or left 2 units. Do you know which one it is?

Answer 4

Domain is all of the valid x values used by the function.

Answer 5

gotta go but x+2>0 solve this and it will give you your domain because the number under the radical can not be negative.