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8 February, 16:38

If f (x) = 4 х2 + 1 and g (x) = х2 - 5, find (f-g) (x).

А

3

4

ов. 3 х2 + 6

Ос. 5 х2 - 6

I + II

OD. 5 х2 - 4

+4
Answers (1)
  1. 8 February, 16:54
    0
    The answer is B

    Step-by-step explanation:

    f (x) = 4x² + 1

    g (x) = x² - 5

    (f-g) (x) = 4x² + 1 - (x²-5)

    = 4x² + 1 - x² + 5

    = 3x² + 6
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