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25 April, 00:16

What is the answer for this question find (f+g) (x) if f (x) = 2x-6 and g (x) = 3x+9

A. (f+g) (x) = - x mines 15

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

C. (f=g) (x) = 5x+15

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

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Answers (1)
  1. 25 April, 03:01
    0
    The answer is B.

    2x-6 + (3x+9) = 2x-6+3x+9

    combine alike terms

    answer: 5x+3
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