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katylon

  • 3 years ago

g(n)= 4n-2 f(n)= n^2+4 Find g(-2) - f(-2)

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  1. lexiamee
    • 3 years ago
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    plug in -2 for the first and -2 for the second equation

  2. katylon
    • 3 years ago
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    i want to compare my answer with yours

  3. lexiamee
    • 3 years ago
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    what is your answer?

  4. katylon
    • 3 years ago
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    i got -18

  5. ImAEtrustme
    • 3 years ago
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    g(-2)=4(-2)-2=-10, f(-2)=(-2)^2+4=8 g(-2)-f(-2)=-18

  6. lexiamee
    • 3 years ago
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    -10 for the first

  7. katylon
    • 3 years ago
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    and 8 for the second

  8. lexiamee
    • 3 years ago
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    8 for the second

  9. lexiamee
    • 3 years ago
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    so adding would be-2

  10. katylon
    • 3 years ago
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    it says to subtract though..

  11. lexiamee
    • 3 years ago
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    okay so -18

  12. katylon
    • 3 years ago
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    lol thanks for the help!

  13. lexiamee
    • 3 years ago
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    Your welcome :)

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