+0  
 
+1
31
3
avatar+800 

How many critical numbers are there for f(x) = (x-1)^7 

 

a) 1 

b) 5 

c) 6 

d) 7 

 

I chose 1, am I correct?

Julius  Apr 11, 2018
Sort: 

3+0 Answers

 #1
avatar+85726 
+2

Correct

 

f'(x)  = 7 (x - 1)^6

Set to 0

 

7 ( x - 1)^6  =  0

(x - 1)^6  = 0

So....x  = 1 is a critical number

 

cool cool cool

CPhill  Apr 11, 2018
 #2
avatar+800 
0

x =1 is a critical number, but how many are there is the question.

Julius  Apr 11, 2018
 #3
avatar+85726 
+2

Sorry, Julius....  I meant to say that  x  = 1   is the only critical number  !!!

 

 

cool cool cool

CPhill  Apr 11, 2018

14 Online Users

avatar
avatar
We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details