anonymous
  • anonymous
Calculate the tangent line (attached)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
f = x + sqrt (x) Do you know how to take the derivative of a function?
anonymous
  • anonymous
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...

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anonymous
  • anonymous
f' = 1/(2sqrtx) +1
anonymous
  • anonymous
oh, it is in the form y-y1 = m(x - x1) , with y1 moved over by addition.
anonymous
  • anonymous
so just find the slope at 9 and plug it in
anonymous
  • anonymous
not getting it right,,.
anonymous
  • anonymous
did you get 7/6 ?
anonymous
  • anonymous
nope.. lol which equation did yu use to find that?
anonymous
  • anonymous
f = x - sqrt (x) f' = 1 - 1/2 x^(-1/2) then substitute in 9 for x
anonymous
  • anonymous
oooh.. solve for y.. alright thankis
anonymous
  • anonymous
welcome

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