(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Lim x^2-16/4-x

x→4

2. Relevant equations

3. The attempt at a solution

I factored it, and ended up with (x-4)(x+4)/(4-x)

Cant cancel anything out, so I plug in 4 back into it, and end up with 8 as the limit. But the book says that the answer is -8?

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# Homework Help: Need help with limit question

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