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Functions
easy
0:00.0
If
f
(
x
)
=
x
2
−
1
f(x) = x^2 - 1
f
(
x
)
=
x
2
−
1
, what is
f
(
2
)
f(2)
f
(
2
)
?
A
3
B
0
C
1
D
2
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