Question 1188997: For which values of x does each expression make sense?
square root of (x+5)
PLEASE HELP AS FAST AS YOU CAN Answer by ikleyn(52787) (Show Source):
The necessary condition is x+5 >= 0, or, equivalently, x >= -5. ANSWER
The expression under the square root must be non-negative,
in order for the square root value would be real number.
