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vetdoc

  • 3 years ago

If f(x) = x − 4 and g(x) = 1/2x − 2, find f[g(−6)].

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  1. Wired
    • 3 years ago
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    When you see f[g(x)], you're basically taking the result of g(x) and using that as the value of X in f(x). g(-6) = (1/2)(-6)-2 = ?

  2. sOcCeR_fReAk7007
    • 3 years ago
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    So, this is what you do. First you substitute -6 for the x 's in the second equation then you substitute what you get there for the x 's in the first equation.

  3. sOcCeR_fReAk7007
    • 3 years ago
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    g(-6) = (1/2)(-6)-2 = -5 f(g(-6)) = -5 - 4 = -9

  4. sOcCeR_fReAk7007
    • 3 years ago
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    so the answer is -9

  5. vetdoc
    • 3 years ago
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    I got -5 for the second equation. Then entered that in the first and got -9 for the first equation.

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