# Average Rate of Change in Function

• Oct 21st 2007, 06:46 PM
jrj62
Average Rate of Change in Function
I think I know how to do this but I can't get my answer to match the books. Please help.

Find the average rate of change between the given points:
f(x)= (1/x^2) one over x squared is the function
x=3, x=(3+h) are the points

Thank you
• Oct 21st 2007, 06:47 PM
tukeywilliams
$\frac{f(3+h)-f(3)}{h}$