A community for students.
Here's the question you clicked on:
 0 viewing
JianEnriquez
 one year ago
Kindly help me review with maxima and minima problems with this question
JianEnriquez
 one year ago
Kindly help me review with maxima and minima problems with this question

This Question is Closed

JianEnriquez
 one year ago
Best ResponseYou've already chosen the best response.0A rectangular page is to contain 138 square inches of printable area. The margins at the top and bottom of the page are each 1 inch, one side margin is 1 inch, and the other side margin is 2 inches. What should the dimensions of the page be so that the least amount of paper is used?

Loser66
 one year ago
Best ResponseYou've already chosen the best response.1by replacing a = 138/b to (a+4)(b+2) to get something, then take derivative and let it =0 to solve for b.

JianEnriquez
 one year ago
Best ResponseYou've already chosen the best response.0ohhh, i get it, slr, my internet is slow

JianEnriquez
 one year ago
Best ResponseYou've already chosen the best response.0i can simplify (a+4)(b+2) first before i substitute right? and then take the derivative of that equation?

JianEnriquez
 one year ago
Best ResponseYou've already chosen the best response.0so my y prime is 4276b^2

JianEnriquez
 one year ago
Best ResponseYou've already chosen the best response.0my answers are \[a=2\sqrt{69}, b=\sqrt{69}\]
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.