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iheartfood Group Title

question inside :)

  • 2 years ago
  • 2 years ago

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  1. iheartfood Group Title
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    |dw:1353461289646:dw|

    • 2 years ago
  2. iheartfood Group Title
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    this is the question, in case my handwriting/drawing is hard to see :P

    • 2 years ago
  3. iheartfood Group Title
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    answer choices A,B,C,D from top to bottom :)

    • 2 years ago
  4. matricked Group Title
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    5x

    • 2 years ago
  5. iheartfood Group Title
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    how'd u get that? :O

    • 2 years ago
  6. iheartfood Group Title
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    im not quite sure if i am understanding this right, but did u just make the 5x not an exponent, so that takes out the ln, so you get e=5x ?? idk is that right?

    • 2 years ago
  7. jim_thompson5910 Group Title
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    ln is a natural log which 'undoes' the exponential function with 'e' as a base so basically ln(e^x) = x and e^[ ln(x) ] = x which tells you that f(x) = ln(x) and g(x) = e^x are inverse functions

    • 2 years ago
  8. iheartfood Group Title
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    okay, wait so my answer is ln(x) ? or is it ln(5x) ?

    • 2 years ago
  9. jim_thompson5910 Group Title
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    no i'm just saying in general

    • 2 years ago
  10. iheartfood Group Title
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    wait scratch that... there is no ln(5x) haha my bad... or is it just 5x ?

    • 2 years ago
  11. iheartfood Group Title
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    ohhh okay :P i see

    • 2 years ago
  12. jim_thompson5910 Group Title
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    in my example, replace each 'x' with '5x'

    • 2 years ago
  13. iheartfood Group Title
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    okay :) so my answer is B. 5x because of that? since e=x ? and x = 5x ?

    • 2 years ago
  14. iheartfood Group Title
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    is that right? since u said e=x right?

    • 2 years ago
  15. jim_thompson5910 Group Title
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    you are correct, and no i didn't say e = x

    • 2 years ago
  16. jim_thompson5910 Group Title
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    not sure where you got that

    • 2 years ago
  17. iheartfood Group Title
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    oops sorry! i meant this: e^[ ln(x) ] = x lol :P and okay great!! thanks!! :)

    • 2 years ago
  18. jim_thompson5910 Group Title
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    i gotcha

    • 2 years ago
  19. iheartfood Group Title
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    oops sorry! i meant this: e^[ ln(x) ] = x lol :P and okay great!! thanks!! :)

    • 2 years ago
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