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anonymous

  • one year ago

please help!! logarithms

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    g(x) = 3f(x)

  3. anonymous
    • one year ago
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    i don't understand which it could be. >.<

  4. anonymous
    • one year ago
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    okay, so when f(x) = 0 then x = 1. Can you understand who I got that answer?

  5. anonymous
    • one year ago
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    no. /.\

  6. anonymous
    • one year ago
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    f(x) = 0 = 3log_10(x)

  7. anonymous
    • one year ago
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    0=log_10(x)

  8. anonymous
    • one year ago
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    x=1

  9. anonymous
    • one year ago
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    which means that when x=1, f(x) = 0

  10. anonymous
    • one year ago
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    oh oke.

  11. anonymous
    • one year ago
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    using the same method we can show that, when x=0, g(x)=0

  12. anonymous
    • one year ago
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    can you see how I got that result?

  13. anonymous
    • one year ago
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    yes.

  14. anonymous
    • one year ago
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    it should be when x=1, g(x)=0

  15. anonymous
    • one year ago
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    which means both f(x) and g(x) graphs should go through the point (1,0)

  16. anonymous
    • one year ago
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    So any of the shifting is not an answer

  17. anonymous
    • one year ago
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    now we are left with only two possibilities; either stretching or compressing.

  18. anonymous
    • one year ago
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    it stretches. c:

  19. anonymous
    • one year ago
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    right

  20. anonymous
    • one year ago
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    I hope you got the idea

  21. anonymous
    • one year ago
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    i did! thank you.

  22. anonymous
    • one year ago
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    cool

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spraguer (Moderator)
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