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16 June, 05:18

If f (x) = 3x2 + 6x + 12 and g (x) = x2 - 6x + 3, what is f (x) + g (x) ?

A. 2x^2 - 12x - 15

B. 4x^2 + 12x + 15

C. 4x^2 + 15

D. 2x^2 + 12x + 15

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Answers (1)
  1. 16 June, 08:58
    0
    I think it would be C. 4x^2 + 15 since positive 6 and negative 6 cancel each other out and you just combine like terms.
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