Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
ahamed
Group Title
A body moves along a horizontal line according to s=f(t)=t^39t^2+24t
a) when is s increasing and when it is decreasing?
b) when v is increasing and when it is decreasing?
 one year ago
 one year ago
ahamed Group Title
A body moves along a horizontal line according to s=f(t)=t^39t^2+24t a) when is s increasing and when it is decreasing? b) when v is increasing and when it is decreasing?
 one year ago
 one year ago

This Question is Open

richyw Group TitleBest ResponseYou've already chosen the best response.1
\[\frac{ds}{dt} = 3t^218t+24\]\[\frac{d^2s}{dt^2} = 6t18\] a) when \(\frac{ds}{dt}>0\), s is increasing, when \(\frac{ds}{dt}<0\), s is decreasing b) when \(\frac{d^2s}{dt^2}>0\), v is increasing, when \(\frac{d^2s}{dt^2}>0\), v is decreasing
 one year ago

richyw Group TitleBest ResponseYou've already chosen the best response.1
oops the last statement in b should have a < sign (just like in a)
 one year ago
See more questions >>>
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.