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Find the value of p(x) = 3x2 + x + 7 when x = – 2. |
Answer» p(x) = 3x2 + x + 7 Substituting x = – 2, we get p(-2) = 3(2)2 + (-2) + 7 = 12 – 2 + 7 ∴ p(-2) = 17 |
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