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13 January, 20:50

Let f (x) = 3x + 4 and g (x) = - 2x2

Find f (g (x))

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Answers (1)
  1. 14 January, 00:31
    0
    f (g (x)) = - 6x²+4

    Step-by-step explanation:

    Given:

    f (x) = 3x + 4 and g (x) = - 2x²

    to find f (g (x)) we take the expression for g (x) and we substitute it into f (x) in place of x

    Hence f (g (x))

    = 3[g (x) ] + 4

    = 3[-2x²] + 4

    = - 6x²+4
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