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Mathematics
Mathematics
Problem
Let
h
(
x
)
=
5
x
2
−
4
x
+
1
h(x)=\sqrt{5x^{2}-4x+1}
h
(
x
)
=
5
x
2
−
4
x
+
1
. (a) Evaluate
lim
x
→
2
h
(
x
)
\displaystyle \lim_{x\to 2}h(x)
x
→
2
lim
h
(
x
)
. (b) Explain why the limit you found in part (a) is equal to
h
(
2
)
h(2)
h
(
2
)
.
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