amy0799
  • amy0799
Determine the point at which the graph of the function below has a horizontal tangent line. y = 8x^2 + 8 x= ?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Loser66
  • Loser66
take derivative of y, what do you get?
amy0799
  • amy0799
@Loser66 16x
Loser66
  • Loser66
when it is =0?

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More answers

amy0799
  • amy0799
I don't know...
Loser66
  • Loser66
|dw:1440972769588:dw|
amy0799
  • amy0799
0
Loser66
  • Loser66
write down both sides, please.
amy0799
  • amy0799
what do you mean both sides?
Loser66
  • Loser66
|dw:1440972865500:dw|
Loser66
  • Loser66
Got it?
amy0799
  • amy0799
so that's the answer?
Loser66
  • Loser66
yup
amy0799
  • amy0799
thank you! can you help me with another?
amy0799
  • amy0799
@Loser66
Loser66
  • Loser66
not sure. have to see it first
amy0799
  • amy0799
Find k such that the line y = 2x + 18 is tangent to the graph of the function below. \[y=k \sqrt{x}\] k=?
Loser66
  • Loser66
take derivative of the curve y = ksqrt x, what do you get?
amy0799
  • amy0799
1/2k^-1/2
amy0799
  • amy0799
@Loser66

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