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# My turn... If f(x)= 3x^3 + 5x Find f''(x) quite an easy one

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## 9 Answers to "My turn... If f(x)= 3x^3 + 5x Find f''(x) quite an easy one"

1. Posted by Jul 7th, 2011 at 3:01PM

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2. Posted by Jul 7th, 2011 at 1:16PM

again so easy ifx is on the extreme left ...

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3. Posted by Jul 7th, 2011 at 12:51PM

Get a Life will you?

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4. Posted by Jul 7th, 2011 at 12:48PM

yftyf gyu o

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5. Posted by Jul 7th, 2011 at 12:46PM

Oh, i am soo glad you figured it out..I didna want to give you the answer..

right.

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6. Posted by Jul 7th, 2011 at 12:31PM

f'(x) = 9x^2 + 5
f''(x) = 18x

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7. Posted by Jul 7th, 2011 at 12:30PM

ƒ''(x) = 18x

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8. Posted by Jul 7th, 2011 at 12:28PM

*draws a " between f and (x)*

there you go, found it.

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9. Posted by Jul 7th, 2011 at 12:27PM

again.... No.

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