Tuesday

October 21, 2014

October 21, 2014

Posted by **catherine** on Monday, September 13, 2010 at 7:09pm.

1. f(x) = x^2 + 3x

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

now what i am confuse with is that there is no value given for x. So how is one suppose to do these problems. please show steps and this is just the 3rd chapter of my calc book so don't use shortcuts that come in the future.

- math -
**TutorCat**, Monday, September 13, 2010 at 7:23pmthis will help you:

tutorial(dot)math(dot)lamar(dot)edu/Classes/CalcI/DefnOfDerivative.aspx

- math -
**Reiny**, Monday, September 13, 2010 at 8:08pmare you using the defn. of

LIm (f(x+h) - f(x)/h, as h ---> 0 ?

**Answer this Question**

**Related Questions**

Math - Use the limit definition of the derivative to find f′(x) if 1. f(x...

Calculus - If f(x) = 2 √x, use the definition of derivative to find f&#...

Calculus - (1 pt) If f(x) = 2 √x, use the definition of derivative to find...

applied calculus - 3. a) Write out the limit definition for the derivative of y...

Applied calculas - 3. a) Write out the limit definition for the derivative of y...

College Physics - Use the relativistic coordinate transformation (x, y, z, t) &#...

PHY 2054 - Use the relativistic coordinate transformation (x, y, z, t) − (...

math - find derivative using limit definition: f(x) = x - sqrt(x) so f'(x) = lim...

calculus - find the limit of f'(x) = 1/(√x) using the limit definition of ...

calculus - find the limit of f'(x) = 1/(√x) using the limit definition of ...