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18 July, 04:25

Given that g (x) = x^2-4x-5, find (g*g) (-2)

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Answers (2)
  1. 18 July, 04:32
    0
    Hello:

    (gog) (-2) = g (g (-2))

    but g (-2) = (-2) ²-4 (-2) - 5 = 4+8-5=7

    (gog) (-2) = g (g (-2)) = g (7) = 7²-4 (7) - 5 = 49-33 = 16
  2. 18 July, 07:57
    0
    the first question ... the answer is 10

    see; x is our unknown number

    so; 27-2=25

    x + 15=25

    x = 25-15

    x = 10

    10 + 15 = 25

    25 + 2 = 27
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