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Mathematics
Problem
The function
f
(
x
)
=
4
x
2
−
5
2
x
2
+
7
f(x)=\dfrac{4x^{2}-5}{2x^{2}+7}
f
(
x
)
=
2
x
2
+
7
4
x
2
−
5
is defined for all real numbers
x
x
x
. Which of the following is the equation of the horizontal asymptote of the graph of
f
f
f
? a)
y
=
1
2
y=\dfrac12
y
=
2
1
b)
y
=
2
y=2
y
=
2
c)
y
=
4
y=4
y
=
4
d)
y
=
0
y=0
y
=
0
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