Question

question 1 of 10
lim_{x\to4}\frac{x - 4}{4 - x}=
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-4
-1
0
does not exist.

Explanation:

Step1: Rewrite the function

We can rewrite $\frac{x - 4}{4 - x}$ as $\frac{x - 4}{-(x - 4)}$.

Step2: Simplify the function

For $x
eq4$, $\frac{x - 4}{-(x - 4)}=- 1$.

Step3: Find the limit

$\lim_{x
ightarrow4}\frac{x - 4}{4 - x}=\lim_{x
ightarrow4}-1=-1$.

Answer:

-1