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in Polynomials by (15 points)

Find the value of p(x)=3x2+x+7 when x=-2

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1 Answer

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by (18.1k points)

P(x) = 3x2 + x+  7

P(-2) = 3(-2)2 - 2 + 7

= 3 x 4 + 5

= 12 + 5  = 17.

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