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nik919

Let f(x) = x + 2 and g(x) = x2 - 6x + 3. Find g(f(x))

  • one year ago
  • one year ago

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  1. TheViper
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    @ganeshie8 plz help :)

    • one year ago
  2. moongazer
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    g(f(x)) = g(x + 2) = (x + 2)^2 - 6(x + 2) + 3

    • one year ago
  3. moongazer
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    do you know what's next?

    • one year ago
  4. nik919
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    no :(

    • one year ago
  5. nik919
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    do you distribute the ^2 and the -6 into each parenthesis?

    • one year ago
  6. moongazer
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    (x + 2)^2 = (x + 2)(x + 2) - 6(x + 2) = -6(x) + -6(2)

    • one year ago
  7. nik919
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    so would the final answer be x^2 - 2x - 5?

    • one year ago
  8. moongazer
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    yup :)

    • one year ago
  9. nik919
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    THANKS!

    • one year ago
  10. moongazer
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    this might help you http://www.khanacademy.org/math/algebra/algebra-functions/v/functions-part-2

    • one year ago
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