Marcus Chia's answer to Gigi's Secondary 4 A Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Marcus Chia
Marcus Chia's answer
28 answers (Tutor Details)
1st
All rate of change qns at sec school level are roughly similar in nature, try to see if you can identify the common technique used in solving all 3 qns