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25 October, 15:02

If f (x) = 2x - 6 and g (x) = 3x + 9, find (f + g) (x).

O A. (f + g) (x) = x+15

O B. (f + g) (x) = 5x + 3

O C. (f + g) (x) = - x - 15

O D. (f + g) (x) = 5x + 15

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  1. 25 October, 18:42
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    B: 5x + 3

    Step-by-step explanation:

    (f+g) (x) = f (x) + g (x) = (2x - 6) + (3x + 9) = 5x + 3
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