SOLUTION: Let f(x)=4-5x^4. Find the domain and range of f(x).

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Question 490466: Let f(x)=4-5x^4. Find the domain and range of f(x).
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=4-5x^4. Find the domain and range of f(x).
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Domain: All Real Numbers
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Range:
x^4 is never negative
-5x^4 is never positive
4-5x^4 is never more than 4
So, Range is all Real numbers >= 4
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Cheers,
Stan H.