ANSWER
f(x)
Domain:(-∞,∞)
Range:(-∞,∞)
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Domain:(-∞,∞)
Range:(-∞,∞)
The given function is
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This is a polynomial function.
All polynomial functions are defined everywhere.
The domain is all real numbers.
Or
(-∞,∞).
The range is also all real numbers.
(-∞,∞).
The domain of the inverse function equals the range of the function.
(-∞,∞).
The range of the inverse function equals the domain of the function.
(-∞,∞).