SOLUTION: find the domain of the function algebraically h(x)=√(9-x²)

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Question 566214: find the domain of the function algebraically h(x)=√(9-x²)
Answer by lwsshak3(11628) About Me  (Show Source):
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find the domain of the function algebraically h(x)=√(9-x²)
Domain of radicans≥0
9-x^2≥0
(3+x)(3-x)≥0
number line
<..+...-3...-....3....+....>
Domain:
(-∞,-3] U [3,∞)