Lee Jin Yong Zach's answer to Georgia Jansen's Secondary 4 A Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
The idea is to identify whether each part of the dydx was positive or negative. One of the tricky part is e^x where if you actually try to graph it out, you realized that e^x is always positive if x>0
Date Posted:
4 years ago