+0

# A few questions

0
30
2

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
0

1. The domain is (-inf,-8) U (-8,-2) U (2,8) U (8,inf).

2. x = 7.

Jul 15, 2022
#2
0

it's incorrect

Guest Jul 15, 2022