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22 July, 18:52

If f (x) = 4x + 12x and g (x) = 5x - 1, find (f + g) (x).

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  1. 22 July, 22:47
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    = 21x - 1

    Step-by-step explanation:

    = (4x + 12x) + (5x - 1)

    = 4x + 12x + 5x - 1

    = 16x + 5x - 1

    = 21x - 1
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