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9 May, 12:30

If f (x) = 3x-2 and g (x) = 2x+1 find (f-g) (x)

A. 5x-3

B. 3-x

C. 5x-1

D. x-3

which and why?

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Answers (1)
  1. 9 May, 14:15
    0
    3x - 2 - (2x + 1)

    Distribute - 1 to both terms in the parentheses.

    3x - 2 - 2x - 1

    Combine like terms.

    x - 3

    Thus, D is your answer.
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