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itsjustme_lol

  • 3 years ago

please

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  1. itsjustme_lol
    • 3 years ago
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    Let f(x) = x + 7 and g(x) = x – 2. What is f(x) • g(x)?

  2. Azteck
    • 3 years ago
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    You're told f(x)= x+7. That means that x+7 is the same as f(x). Same goes for g(x). So when they're asking you to multiply f(x) with g(x), what would you replace as f(x) and g(x)?

  3. itsjustme_lol
    • 3 years ago
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    7 and -2?

  4. Azteck
    • 3 years ago
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    Is 7 the same as f(x). What did I say is equal to f(x)?

  5. itsjustme_lol
    • 3 years ago
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    x+7

  6. Azteck
    • 3 years ago
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    So what would you replace as f(x)?

  7. itsjustme_lol
    • 3 years ago
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    x+7? or 7x?

  8. Azteck
    • 3 years ago
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    where'd you get 7x from?

  9. Azteck
    • 3 years ago
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    Math is all about being realistic. If you did't know where you got 7x, then why would you even bring it out into thin air?

  10. Azteck
    • 3 years ago
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    didn't*

  11. Azteck
    • 3 years ago
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    x+7 is correct.

  12. Azteck
    • 3 years ago
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    What would you replace g(x) then?

  13. itsjustme_lol
    • 3 years ago
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    x-2

  14. itsjustme_lol
    • 3 years ago
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    and sorry..im really horrible at math so i honestly didnt know...goodness lol

  15. Azteck
    • 3 years ago
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    Okay that's correct though even if you're horriblea t math. You got it.

  16. Azteck
    • 3 years ago
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    horrible at*

  17. Azteck
    • 3 years ago
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    so then using what you just knew about f(x) and g(x): \[f(x)\times g(x)=?\]

  18. itsjustme_lol
    • 3 years ago
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    -14?

  19. Azteck
    • 3 years ago
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    You didn't say anything about -14 beforehand, why now?

  20. Azteck
    • 3 years ago
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    I'm just asking you to repeat what you said last time about what f(x) and g(x) is.

  21. itsjustme_lol
    • 3 years ago
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    well because idk why i didnt..

  22. itsjustme_lol
    • 3 years ago
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    ok, that make sense i think. ok so if i got this right my answer would be x^2 + 5x – 14

  23. Azteck
    • 3 years ago
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    Wowza, That's awesome! See, if you're actually thinking straight, you can do amazing things. That's absolutely correct!

  24. itsjustme_lol
    • 3 years ago
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    why thank you :)

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