SOLUTION: Find the domain of the square-root function: y = √ 2(x+4) - 3

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Question 450482: Find the domain of the square-root function: y = √ 2(x+4) - 3
Answer by lwsshak3(11628) About Me  (Show Source):
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Find the domain of the square-root function: y = √ 2(x+4) - 3
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y = √ 2(x+4) - 3
What is inside a sqrt must be ≥0
Assuming 2(x+4) is inside the sqrt
2(x+4)≥0
2x+8≥0
2x≥-8
x≥-4
or
[-4,∞)