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7 August, 21:05

5) If f (x) = 4x2 - 5x + 7 and g (x) = 3x2 - 2x + 8, find f (x) + g (x).

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  1. 7 August, 21:49
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    Simply put this just means add the like terms together.

    f (x) + g (x) = 4x^2 - 5x + 7 + 3x^2 - 2x + 8

    f (x) + g (x) = 7x^2 - 7x + 15. Don't go any further.
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