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What is the domain of the function $$j(x) = \frac{1}{x+8} + \frac{1}{x^2+8} + \frac{1}{x^3+8}~?$$ Express your answer as a union of intervals.

 

Let $a\star b = ab+2b-a$ If $5\star x = 37$, find the value of x.

 Jul 15, 2022
 #1
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1. The domain is (-inf,-8) U (-8,-2) U (2,8) U (8,inf).

 

2. x = 7.

 Jul 15, 2022
 #2
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it's incorrect

Guest Jul 15, 2022

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