+0  
 
0
297
1
avatar

Find the average rate of change of f ( x ) = 6 x 2 − 9 f(x)=6x2-9 on the interval [ 2 , b ].

Guest Sep 18, 2017
edited by Guest  Sep 18, 2017

Best Answer 

 #1
avatar+27139 
+3

The instantaneous rate of change of f(x) = 6x2 - 9 at any x is f`(x) = 12x.  This is a straight line.  Its average value between x=2 and x=b is (12b + 12*2)/2 → 6b+12

Alan  Sep 18, 2017
 #1
avatar+27139 
+3
Best Answer

The instantaneous rate of change of f(x) = 6x2 - 9 at any x is f`(x) = 12x.  This is a straight line.  Its average value between x=2 and x=b is (12b + 12*2)/2 → 6b+12

Alan  Sep 18, 2017

14 Online Users

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.