SOLUTION: How do I find the domain y= squareroot x and similar problems

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Question 301228: How do I find the domain y= squareroot x and similar problems
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Square root requires an argument that is greater than or equal to zero.
For example,
f%28x%29=sqrt%28x%29, then x%3E=0
g%28x%29=sqrt%28x-4%29, then x-4%3E=0 or x%3E=4
h%28x%29=sqrt%28x%5E2%2B3%29, then x can take any value since x%5E2%2B3 will always be positive.