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Functions
hard
0:00.0
If
f
(
x
)
=
x
2
−
4
x
+
7
f(x) = x^2 - 4x + 7
f
(
x
)
=
x
2
−
4
x
+
7
, find the minimum value of the function.
A
3
B
7
C
2
D
0
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