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Functions
medium
0:00.0
If
f
(
x
)
=
3
x
2
+
2
x
−
1
f(x) = 3x^2 + 2x - 1
f
(
x
)
=
3
x
2
+
2
x
−
1
, what is
f
(
−
1
)
f(-1)
f
(
−
1
)
?
A
0
0
0
B
2
2
2
C
4
4
4
D
−
2
-2
−
2
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