AP Calculus BC Quiz
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LIMITS AND CONTINUITY
Question 1
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For
u
(
x
)
=
2
x
2
+
3
x
+
5
−
4
x
2
+
x
−
1
u(x)=\dfrac{2x^2+3x+5}{-4x^2+x-1}
u
(
x
)
=
−
4
x
2
+
x
−
1
2
x
2
+
3
x
+
5
, what is
lim
x
→
−
∞
u
(
x
)
\lim_{x\to-\infty} u(x)
lim
x
→
−
∞
u
(
x
)
?
A
−
1
2
-\dfrac{1}{2}
−
2
1
B
1
2
\dfrac{1}{2}
2
1
C
−
2
-2
−
2
D
x
=
1
4
x=\dfrac{1}{4}
x
=
4
1
E
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