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What is the domain of the function

j(x) = 1/(x + 8) + 1/(x^2 + 8) + 1/(x^4 + 8)

Express your answer as a union of intervals.

 Aug 6, 2021
 #1
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The doamain is all 'x' except values that cause denominator of any of the terms to = 0

 

x cannot equal -8     is all

 

(- inf, -8) U (-8, + inf)

 Aug 7, 2021

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