Wednesday
July 29, 2015

Homework Help: Calculus

Posted by Michelle on Saturday, October 4, 2008 at 12:30am.

Using the derivative definition of f ‘ (x) = (f (x+h) – f (x)) / (h) find the derivatives of the following…

1. f(x) = (2x-1) / (x+2)

2. f(x) = sqrt (3x-1)

3. f(x) = 3x^4

my answers were:
1. –x+3
2. (3) / [2(sqrt(3x-1))]
3. 12x^3


are my answers right?

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