Asked by jh
State the domain of
f(x) = x / x^2+4x+1
f(x) = x / x^2+4x+1
Answers
Answered by
drwls
All numbers except where the denominator is zero.
That happens when x = (1/2)[-4 +/- sqrt(12)] = -2 +/-sqrt3
That happens when x = (1/2)[-4 +/- sqrt(12)] = -2 +/-sqrt3
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