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If x = -1, then 3x3 + 2x2 + x + 1 =
A. -5
B. -1
C. 1
D. 2
E. 5
3x3 + 2x2 + x + 1
=3(-1)3 + 2(-1)2 + (-1) + 1
= 3(-1) + 2(1) - 1 + 1
= 3 + 2 + 0
= -1
 
 
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OmegaMoo
OmegaMoo
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Taken: 18 times
Added: 11/19/2008
Liked: 1 time
Taggged: Math, SAT
 
 
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OmegaMoo
Math - SAT Exam V
Founded by OmegaMoo
This is a 20 question exam to help you study for the Math section of the SAT.
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