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anonymous

  • one year ago

**need help**

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  1. anonymous
    • one year ago
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  2. Haseeb96
    • one year ago
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    where is the question?

  3. anonymous
    • one year ago
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    that is the question

  4. anonymous
    • one year ago
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    i need to give a,b,c,d

  5. Haseeb96
    • one year ago
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    Sorry

  6. anonymous
    • one year ago
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    like, how do i find f(x+h)

  7. iPwnBunnies
    • one year ago
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    Replace 'x' with 'x+h' when asked for f(x+h)

  8. iPwnBunnies
    • one year ago
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    This is similar to the definition of a limit, but this isn't calculus it looks like lol.

  9. iPwnBunnies
    • one year ago
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    So, f(x+h) = 5/(x+h)

  10. anonymous
    • one year ago
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    so for part a when it aasks for f(x+h) i just put = 5/(x=h)?

  11. iPwnBunnies
    • one year ago
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    Yup

  12. anonymous
    • one year ago
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    and b its asking for f(x), would it just be 5/x?

  13. iPwnBunnies
    • one year ago
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    I guess lol. Idk why they would, but yeah.

  14. anonymous
    • one year ago
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    lol kinda pointless but okay haha, and what about part c?

  15. iPwnBunnies
    • one year ago
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    Replace those into the expression they gave you.

  16. iPwnBunnies
    • one year ago
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    And I guess simplify.

  17. iPwnBunnies
    • one year ago
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    One thing you can do is find the common denominator for the top part

  18. anonymous
    • one year ago
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    |dw:1435516818616:dw|

  19. anonymous
    • one year ago
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    is that how i should set it up?

  20. iPwnBunnies
    • one year ago
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    Ye

  21. anonymous
    • one year ago
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    |dw:1435517005848:dw|

  22. anonymous
    • one year ago
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    sorry for my horrible drawing haha

  23. iPwnBunnies
    • one year ago
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    What did you do there?

  24. anonymous
    • one year ago
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    i did the equation that i had shown u, i thought u said thas what i was supposed to do ?

  25. anonymous
    • one year ago
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    can we simplify this any further?

  26. iPwnBunnies
    • one year ago
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    Well, Idk how you got to that from when you originially plugged in both functions.

  27. anonymous
    • one year ago
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    did you get something diff? cuz i just checked on calc and said it was correct but idk could still b wrong

  28. iPwnBunnies
    • one year ago
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    |dw:1435517227261:dw|

  29. iPwnBunnies
    • one year ago
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    Hmm, I guess if your calculator can simplify it, then that's your answer lol

  30. iPwnBunnies
    • one year ago
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    Oh, you are right.

  31. iPwnBunnies
    • one year ago
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    When you plug in 0 for h, you get -5/x^2. Which is the derivative of 5/x. So, this problem is inadvertently (sp?) giving you the limit definition of a derivative.

  32. anonymous
    • one year ago
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    so its right?

  33. iPwnBunnies
    • one year ago
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    Yee

  34. anonymous
    • one year ago
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    okay thanks so much :)

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is replying to Can someone tell me what button the professor is hitting...

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