SOLUTION: How do I find the domain and the range. f(x) = ³√x - 1. Thank you!

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Question 831839: How do I find the domain and the range. f(x) = ³√x - 1. Thank you!
Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29+=+%28x-1%29%5E%281%2F3%29
Since cube roots can be negative,
for example the cube root of -27 = -3 , (-3)(-3)(-3) = -27 .
So for our example the domain is all real numbers.
The range is also all real numbers.