Calculus
posted by Amy .
Find the Domain of f(x)=sqrt(x^34x+1)

The domain is the values of x where f(x) is defined. The square root requires the radicand to be ≥ 0.
So, x^3  4x + 1 ≥ 0
x ∈ [2.1,0.24] ∪ [1.83,+∞)
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