Sao Chuan's answer to Kim Kimberly's Secondary 4 A Maths question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Hi, I'm not sure if I made an careless mistakes but the general approach to solve this question is written here. Hope it helps.
Date Posted:
7 years ago
The answer for (b) is 23x+8y-20=0 and the answer for (c) is 1.95units square though...
Part (b) answer is correct, just need to multiply by 8 throughout to get that answer.
As for part (c) perhaps I made some mistake in the calculation but the basic idea is finding the area under the curve by integration (from x=0 to x=3), then subtracting the area of the triangle under the straight line.
As for part (c) perhaps I made some mistake in the calculation but the basic idea is finding the area under the curve by integration (from x=0 to x=3), then subtracting the area of the triangle under the straight line.
Hi, change the "3(ln10)" to "3(ln4)" and you should get the answer. Careless mistake, sorry!
360 Tutoring Program