anonymous
  • anonymous
I need some major help, who wants a challenge? Find the number a, based on the following information. f(x) = x^6 f'(a)= -1458
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
a= what?
saifoo.khan
  • saifoo.khan
\[-208 x^7\]
Kainui
  • Kainui
What is the derivative of f(x)? Find that and set it equal to f'(a) and solve!

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anonymous
  • anonymous
-3
anonymous
  • anonymous
-3 either. .
Kainui
  • Kainui
-3 is the correct answer.
anonymous
  • anonymous
so the derivitive is what? how do I find that?
anonymous
  • anonymous
f(x)=2x^2= 2x right?
anonymous
  • anonymous
|dw:1328139034587:dw|
anonymous
  • anonymous
so f(x)= rx^r-1 is the formula you use to get the answer?
Kainui
  • Kainui
The derivative is a function that tells you the slope of a function at any point x on the other function. So suppose you have f(x) and f'(x), a function and its derivative. So if you plug in a value to the function f'(x) it tells you the the slope of a a point on f(x). Yes, paunic, that is the formula, and it is called the power rule.
anonymous
  • anonymous
ok thanks!
anonymous
  • anonymous
|dw:1328139209785:dw| to find the derivative, use the formula.
Kainui
  • Kainui
No problem! =D If you have any more questions about calculus or derivatives I'll be happy to help.
anonymous
  • anonymous
|dw:1328139249162:dw|

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