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December 20, 2014

December 20, 2014

Posted by **confused** on Thursday, May 24, 2007 at 10:34pm.

so would this be 5(-2*-2) -3(-2)+1

answer being 15

not correct

(I assume looking at your substitution that the first term is 5x^2 or 5x²)

f(x) = 5x^2 – 3x + 1

f(-2) = 5(-2)^2 - 3(-2) + 1

=5(4) + 6 + 1

=27

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