Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
junior college 1 | H1 Maths
One Answer Below
Anyone can contribute an answer, even non-tutors.
Hi, I need help with this question. Thank you so much. :)
Date Posted: 3 years ago
Views: 683
See 1 Answer
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
To do the first part, we first need to differentiate the equation with respect to t. Dx/dt would need to be >0 in order to be increasing with t. Hence, we complete the square and we recognise that the k value needs to be >48 for the dx/dt to be >0. The other parts can be solved using GC.
Date Posted:
3 years ago
360 Tutoring Program