Question

Please help

Answer 1

@dude @Vocaloid

Answer 2

First simplify the expression.
1. Simplify the polynomials.
2. Then apply the rules for division and multiply
3. Eliminate similar polynomial on the numerator and denominator.
4. You'd get
1/6(x+7)

Your disconinuity is at -7. So the domain is \[x \in \mathbb{R} \], x≠-7.
It's option C

Answer 3

Thanks a lot