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5 January, 10:42

Given the following equations, find a formula for g (ſ (x))

g (x) = - X-7

F (x) = -8x^2-5

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Answers (1)
  1. 5 January, 11:07
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    Answer: 8x^2 - 2

    Explanation:

    Think about it like your pluging in a number for x, like g (1) or g (x+1), but plug in the equation for f (x)

    g (f (x)) = - (-8x^2 - 5) - 7

    =8x^2 + 5 - 7

    =8x^2 - 2
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