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Kimberly K.

asked • 11/10/15

Calculus Homework (derivatives)

I was able to answer a I just can't figure out how to do b or c.
 
Let f(x)= x3e-9x
 
a) Find the derivative of f ' (x)
 
I got this answer: -9e-9xx3+3e-9xx2
 
 
b) Find the critical numbers for f.
 
c) Determine where f is increasing or decreasing.

1 Expert Answer

By:

Mir A. answered • 11/10/15

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Kimberly K.

Thank you!
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11/10/15

Mir A.

Sure, my pleasure. If you need tutoring on Calculus, let me know, I can help through the Wyzant online tutoring platform.
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11/10/15

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