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9 June, 15:42

The function f is defined by f (x) = 2x^2 - 7

Find f (-n)

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Answers (1)
  1. 9 June, 18:10
    0
    F (x) = 2x^2 - 7

    put x = - n

    f (-n) = 2 (-n) ^2 - 7

    = 2n^2 - 7
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