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Functions
easy
0:00.0
If
f
(
x
)
=
2
x
2
+
3
f(x) = 2x^2 + 3
f
(
x
)
=
2
x
2
+
3
, what is
f
(
−
1
)
f(-1)
f
(
−
1
)
?
A
5
5
5
B
1
1
1
C
7
7
7
D
−
1
-1
−
1
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