SOLUTION: Find the domain f(x)=7+sqrt(3x+21) and express it using interval notation

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Question 100072: Find the domain f(x)=7+sqrt(3x+21) and express it using interval notation
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = 7 + sqrt(3x + 21)
The only limitation to this function is the root.
3x + 21 >= 0
3x >= -21
x >= -7
graph%28300%2C300%2C-7%2C3%2C-3%2C12%2C7+%2B+sqrt%283x+%2B+21%29%29