+0  
 
+1
785
1
avatar+605 

Let f(x)=√x-4

What is the average rate of change of f(x) from 8 to 14?

Round to the nearest hundredth.

 

-5.16

0.19

-0.19

5.16

 Feb 12, 2018
 #1
avatar+111331 
+3

Avg rate of change  =

 

[ f(14 )  - f(8) ]  /  [ 14 - 8 ]   =  

 

[ ( √ [14 - 4] )  - (√ [8 - 4])  ] / 6  =

 

[ √10 - √4 ]  /  6  = 

 

0.19 

 

 

cool cool cool

 Feb 12, 2018

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