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Mathematics
Mathematics
Problem
If
f
(
x
)
=
x
2
+
1
f(x) = x^2 + 1
f
(
x
)
=
x
2
+
1
, then
f
(
−
2
)
f(-2)
f
(
−
2
)
is 1. 3 2. 5 3. -3 4. -5
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