Homework Help: calculus

Posted by jken on Wednesday, November 5, 2008 at 10:42pm.

Find the derivative of the function below in two ways.
F(x) = (x - 7 x sqrt(x)) / sqrt(x)

(a) By using the Quotient Rule.
(b) By simplifying first.

calculus - drwls, Wednesday, November 5, 2008 at 11:15pm
Can't you do either of these? Do you know the quotient rule?

If you simplify first, you get
F(x) = sqrt x - 7x

Try differentiating that term by term. There are only two terms.

Someone will gladly critique your work.

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