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11 July, 11:35

If f (x) = 6x2 - 4 and g (x) = 2x + 2, find (f - g) (x).

O A. 6x2 - 2x - 6

O B. 6x2 - 2x-2

O c. 44²-6

O D. 2x - 5x2 - 2

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Answers (2)
  1. 11 July, 11:37
    0
    A. 6x^2 - 2x - 6.

    Step-by-step explanation:

    (f - g) (x)

    = 6x^2 - 4 - (2x + 2)

    = 6x^2 - 4 - 2x - 2

    = 6x^2 - 2x - 6.
  2. 11 July, 11:42
    0
    A

    Step-by-step explanation:

    Note that (f - g) (x) = f (x) - g (x)

    f (x) - g (x)

    = 6x² - 4 - (2x + 2) ← distribute parenthesis by - 1

    = 6x² - 4 - 2x - 2 ← collect like terms

    = 6x² - 2x - 6 → A
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