A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 5 years ago
Can someone help me to find where the function is increasing and decreasing, find the extrema's and determine if the function is concave up or down? The equation is f(x)=3x^5  5^4 +1
anonymous
 5 years ago
Can someone help me to find where the function is increasing and decreasing, find the extrema's and determine if the function is concave up or down? The equation is f(x)=3x^5  5^4 +1

This Question is Closed

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0function is decreasing if f'[x] <0 (negative) for open interval function increasing if f'[x}>0 (positive) for open interval \[f'[x] = 15x^420x^3\]

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0its a simple polynomial; the rules are very basic

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0Cx^n becomes (C*n) x^(n1)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.03x^5 becomes (3*5) x^(31); 15x^4

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0concave up if f''[x]>0 and concave down if f''[x]<0, inflection point at f''[x]=0

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0test for etrema by setting f'[x]=0 or f''[x]=0

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0basically solve \[15x^420x^3=0\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0or http://www.wolframalpha.com/input/?i=extrema++f%28x%29%3D3x^5++5^4+%2B1

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0thanks for the help. i was also wondering to find where the function is increasing or decreasing, do i use the critical point?
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.