anonymous
  • anonymous
x^(4/5)(x-10) has two critical numbers where A
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
What're critical numbers, when the whole expression gets to Zero?
anonymous
  • anonymous
a critical point of a function occurs when the derivate is 0 or the function is not differentiable (when the derivate is undefined).
anonymous
  • anonymous
Hmm \[f(x)=x^{4/5+1}-10x^{4/5}\]\[f'(x) = \frac 9 5x^{4/5} - 10x^{-1/5}\]\[f'(x) = 0\implies \frac 9 5x^{4/5} - 10x^{-1/5}=0\]

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anonymous
  • anonymous
Sorry, \(f'(x)= \frac 9 5x^{4/5} - 10\times \frac{4}{5}x^{-1}{5}\)
anonymous
  • anonymous
I hope you can solve it now
anonymous
  • anonymous
Typo :/ ...Sorry \[f'(x)= \frac 9 5x^{4/5} - 10\times \frac{4}{5}x^{-1/5}\]BTW at x = 0, the function is undefined.

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