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16 September, 19:26

If f (x) = 2x2 + 5 and g (x) = x2 - 2, find (f - g) (x).

A. x2 + 7

B. 3x2 + 3

C. 3x2 + 7

D. x2 + 3

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Answers (1)
  1. 16 September, 22:44
    0
    2x^2 + 5 - (x^2 - 2) =

    2x^2 + 5 - x^2 + 2 =

    x^2 + 7 <===
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