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anonymous

  • 5 years ago

Calculate the tangent line (attached)

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  1. anonymous
    • 5 years ago
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  2. anonymous
    • 5 years ago
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    f = x + sqrt (x) Do you know how to take the derivative of a function?

  3. anonymous
    • 5 years ago
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    yea, i know to put in the form of y = mx + b but i don't quite remember how to put in the form that he wants...

  4. anonymous
    • 5 years ago
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    f' = 1/(2sqrtx) +1

  5. anonymous
    • 5 years ago
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    oh, it is in the form y-y1 = m(x - x1) , with y1 moved over by addition.

  6. anonymous
    • 5 years ago
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    so just find the slope at 9 and plug it in

  7. anonymous
    • 5 years ago
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    not getting it right,,.

  8. anonymous
    • 5 years ago
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    did you get 7/6 ?

  9. anonymous
    • 5 years ago
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    nope.. lol which equation did yu use to find that?

  10. anonymous
    • 5 years ago
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    f = x - sqrt (x) f' = 1 - 1/2 x^(-1/2) then substitute in 9 for x

  11. anonymous
    • 5 years ago
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    oooh.. solve for y.. alright thankis

  12. anonymous
    • 5 years ago
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    welcome

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spraguer (Moderator)
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