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anonymous

  • 5 years ago

Can someone describe the relationship between the graph of f(x)=lnx and g(x)=e^x?

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  1. anonymous
    • 5 years ago
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    Did you graph them?

  2. anonymous
    • 5 years ago
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    I don't want to use a calculator to do it, but I guess I might as well go ahead and do it. I just wanted to see if I can focus on key similarities and differences between the two without needing to resort to a calculator.

  3. anonymous
    • 5 years ago
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    Well, those there are inverses of each other.

  4. anonymous
    • 5 years ago
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    That is what they are looking for.

  5. anonymous
    • 5 years ago
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    y=e^x try solving for x. you get x=ln(x)

  6. anonymous
    • 5 years ago
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    Well, did you already know they were inverses?

  7. anonymous
    • 5 years ago
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    i mean x=ln(y)

  8. anonymous
    • 5 years ago
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    Okay. Oh! I feel like a total idiot. I didn't even notice that or think to even do that.

  9. anonymous
    • 5 years ago
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    Cause if you know that, then you know how they're related. But if you didn't know that then it's interesting to see how inverses are related.

  10. anonymous
    • 5 years ago
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    I'm completely stressing about this test and I'm not looking at the big picture, I'm just trying to make things harder than they are.

  11. anonymous
    • 5 years ago
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    :D It gets easier. When you are in calculus you will just get stuff like that in a snap. Of course, by that time you won't get homework about it... oh, the irony...

  12. anonymous
    • 5 years ago
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    Haha! Well, I'm at the end of my class, and I'm trying to brush up for the AP test...

  13. anonymous
    • 5 years ago
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    What class?

  14. anonymous
    • 5 years ago
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    alma, did you know e^x is the inverse of ln(x)?

  15. anonymous
    • 5 years ago
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    Not in the beginning, but he/she figured it out.

  16. anonymous
    • 5 years ago
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    Yes. I did and I just realized that I knew that. I was just trying to memorize properties which I don't need to because they are simply inverses.

  17. anonymous
    • 5 years ago
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    If you know that two functions are inverses, then they will be mirror images of eachother around the line y=x. That's how the two graphs are related.

  18. anonymous
    • 5 years ago
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    properties of the graph. Thank you all for your help.

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