A community for students.
Here's the question you clicked on:
 0 viewing
rnotchick
 3 years ago
Find any critical numbers of the function f(x)=x^2(x^2−64).
rnotchick
 3 years ago
Find any critical numbers of the function f(x)=x^2(x^2−64).

This Question is Closed

rnotchick
 3 years ago
Best ResponseYou've already chosen the best response.0Dont you have to set the derivative equal to 0?

rnotchick
 3 years ago
Best ResponseYou've already chosen the best response.0I am confused on what the derivative is of this

myininaya
 3 years ago
Best ResponseYou've already chosen the best response.0You know product rule you have a function times another function. You have x^2 times (x^264)

rnotchick
 3 years ago
Best ResponseYou've already chosen the best response.0okay thats what i thought

rnotchick
 3 years ago
Best ResponseYou've already chosen the best response.0Then the two numbers that make that 0 are 0 and 8 i thought

myininaya
 3 years ago
Best ResponseYou've already chosen the best response.0You need to find [x^2(x^264)]'

myininaya
 3 years ago
Best ResponseYou've already chosen the best response.0You need to use the product rule.... Or! You could distribute x^2 first then just use power rule for both terms.

rnotchick
 3 years ago
Best ResponseYou've already chosen the best response.0Okay after I have the derivative of that, what is the next step

myininaya
 3 years ago
Best ResponseYou've already chosen the best response.0Right! :) Now set that equal to 0 and solve for x.
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.