Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

secondary 4 | A Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Nancy Woods
Nancy Woods

secondary 4 chevron_right A Maths chevron_right Singapore

pls help part ii

Date Posted: 2 years ago
Views: 359

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
Like this?

Anyway, to check the nature of the stationary value (which I am not going to do here), we can perform the first derivative test or the second derivative test - though the first derivative test looks better because differentiating the result will be a big challenge.