qtexpress101
find f ' (x) and f '(c)
f(x)= (1/3)(2x^3  4)
value of c = 0



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qtexpress101
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i'm not really sure how to get started

across
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\[
f(x)=\frac13\left(2x^34\right)\\
f'(x)=2x^2\\
f'(0)=0.
\]

qtexpress101
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how did you get those primes?

across
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I used both\[
f(x)=ax^{b}\Longrightarrow f'(x)=abx^{b1},
\]and\[
f(x)=c\Longrightarrow f'(x)=0.
\]

qtexpress101
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ah ok, thanks