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monroe17

  • 2 years ago

Can someone help me with this.. ? it's attached

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  1. monroe17
    • 2 years ago
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  2. hartnn
    • 2 years ago
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    \[\lim_{x \rightarrow 2}f(x)+g(x)=f(2)+g(2)\] can u find f(2) and g(2) ?

  3. monroe17
    • 2 years ago
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    is that what I do for the first one?

  4. hartnn
    • 2 years ago
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    yup, find f(2) and g(2) then add.

  5. monroe17
    • 2 years ago
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    is f(2)=1?

  6. hartnn
    • 2 years ago
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    nopes, see the graph, when x=2, y=f(x)= 2 ok?

  7. monroe17
    • 2 years ago
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    so, its the unshaded dot?

  8. hartnn
    • 2 years ago
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    oh, wait, i think the dot is shaded to make the value of f(2) as 1. and not 2 so f(2)=1 as u correctly said before.

  9. monroe17
    • 2 years ago
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    oh kay.. so first one is 3?

  10. hartnn
    • 2 years ago
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    but g(2) is 0 isn't it? so, 1+0=1 is the value of limit, ok?

  11. monroe17
    • 2 years ago
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    huh?

  12. hartnn
    • 2 years ago
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    didn't u get g(2) = 0 ??

  13. monroe17
    • 2 years ago
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    ohh yeah.. because theres no point

  14. hartnn
    • 2 years ago
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    thats because when x=2,g(x) is on x-axis, so g(2)=0

  15. monroe17
    • 2 years ago
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    for the second one is f(x)= 1?

  16. monroe17
    • 2 years ago
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    and g(x)=1?

  17. hartnn
    • 2 years ago
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    yup,both correct,so whats the value of limit?

  18. monroe17
    • 2 years ago
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    2?

  19. hartnn
    • 2 years ago
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    yup,thats correct,try 3rd.

  20. monroe17
    • 2 years ago
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    and the next one is 0 overall right?

  21. monroe17
    • 2 years ago
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    f(x)=0 and because its multiplying the total limit is 0

  22. hartnn
    • 2 years ago
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    right,because f(0)=0

  23. hartnn
    • 2 years ago
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    i think u are getting this,so just write what answers u get,i'll verify.

  24. monroe17
    • 2 years ago
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    d is -1/0=0

  25. hartnn
    • 2 years ago
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    anything/0 = infinity so d is -infinity

  26. monroe17
    • 2 years ago
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    oh..

  27. hartnn
    • 2 years ago
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    e is simpler,what did u get for e ?

  28. monroe17
    • 2 years ago
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    e=8?

  29. hartnn
    • 2 years ago
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    yup :)

  30. monroe17
    • 2 years ago
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    f=2?

  31. hartnn
    • 2 years ago
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    absolutely, good work :)

  32. monroe17
    • 2 years ago
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    yay!!! thanks!

  33. hartnn
    • 2 years ago
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    welcome :)

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