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anonymous

  • one year ago

If F(x) = 4x - 1 and G(x) = x2 + 7, what is G(F(x))? A. 16x2 + 8 B. 4x3 + 28x - 7 C. 16x2 - 8x + 8 D. 4x3 - 7

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  1. anonymous
    • one year ago
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    In g(x), is that x^2 or 2x?

  2. anonymous
    • one year ago
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    X^2

  3. anonymous
    • one year ago
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    You would substitute x as in f(x) in the g(x) function so you would wind up with (4x-1)^2+7 Then you would expand the square 16x^2-4x-4x+1+7 You would then condense these terms 16x^2-8x+8 So answer choice "c" is correct

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