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Mathematics
Mathematics
Problem
For
x
<
4
x<4
x
<
4
, compute
lim
x
→
4
−
2
−
x
4
−
x
.
\displaystyle \lim_{x\to 4^-} \frac{2-\sqrt{x}}{4-x}.
x
→
4
−
lim
4
−
x
2
−
x
.
a)
−
1
4
-\dfrac14
−
4
1
b)
1
8
\dfrac18
8
1
c)
1
4
\dfrac14
4
1
d)
0
0
0
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