The minimum value of | x2 _ 5x + 21 | is

The minimum value of | x2 _ 5x + 21

1.	The minimum value of \| x2 _ 5x + 21 \| is
A.	-5
B.	0
C.	-1
D.	-2
Answer» C. -1

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&nbsp;The minimum value of | x2 _&nbsp;5x + 21 | is

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The minimum value of | x2 _ 5x + 21 | is