Free MX1 Notes: http://tinyurl.com/freeMX1notes
B Engineering (I have no idea anymore) @UNSW IV
how would you find f'(1) for f(x) = 5x
year 11 2017
year 12 2018
year boredsatan 2019
year LOL 2020-infinity
What is this? boredsatan's do my maths homework and sanity check thread?
Most of the time, you don't show appreciation for help you receive... and even dare to ignore some solutions.
This thread is more harm than good; it's an obstacle that lessens the opportunities for you to exercise your own judgement.
He is not the only one. Many on BOS posed questions and mostly made no acknowledgement nor words of appreciation. I suppose that is the norm of the current generation.
1-on-1 Maths Tutoring(IB & HSC): Epping, Beecroft, Eastwood, Carlingford & Beyond
IB: Maths Studies, Maths SL & Maths HL; HSC: 2U, 3U & 4U
Highly Qualified & Highly Experienced. Estimated ATAR > 9.995
There are IB Maths Tutors and there are IB Maths Tutors.
Why would it be considered as 'shitposting'?
There are other ways to express gratitude other than words. Imagine you and a group of kind helpers spare some time out of multiple days to help a struggling homeless person and that person just takes your gifts without making eye contact, rarely expresses gratitude, begs for more... How would you feel?
Also, I'm not making the comments based on my views on your ability to do maths but it's because I've noticed you've become dependent on this thread to do some maths. How will you handle yourself when there is no help?
Last edited by He-Mann; 25 Jun 2017 at 4:29 PM.
2016 HSC (Accelerated)
// 2 Unit Maths // Studies of Religion 1 //
2017 HSC
// Biology // Physics // Maths Extension 1 // Maths Extension 2 // English Advanced //
Alot of the time I do try the questions myself but still find it hard
year 11 2017
year 12 2018
year boredsatan 2019
year LOL 2020-infinity
even though i am 99.9% sure you're a troll but for that 0.1% of doubt, im gonna be honest; if you find these basic questions "hard" you should really consider dropping math or dropping down to general maths. It won't do anything good for your atar if you get 50 in 2U versus getting 65+ in general
Free MX1 Notes: http://tinyurl.com/freeMX1notes
B Engineering (I have no idea anymore) @UNSW IV
Are my answers right?
r(x) = -200x^2 + 4800x
find r(x+h)
-200x^2 - 400xh -200h^2 + 4800x + 4800h
use differenetiation by first principles to find the equation of the rate of change in revenue respect to the month of the year
-400x + 4800
find the instantaneous rate of change in revenue at B (6,21600)
-400(6) + 4800 = 2400
find the equation of the tangent to the revenue at C (10,28000)
-400(10) + 4800 = -4000 + 4800 = 800
y = 800x + c
28000 = 800(10) + c
y = 800x + 20,000
2. p(x) = x^3 - 4x + 2
find p'(x)
3x^2 - 4
find p'(3)
3(3)^2 - 4 = 27-4 = 23
find the equation of the perpendicular line to p(x) at x = 3
p(3) = (3)^3 - 4(3) + 2 = 17
(3,17)
p'(3) = 3(3)^2 - 4 = 27-4 = 23
m1*m2 = -1
m1*23 = -1
m1 = -1/23
17 = -1/23(3) + c
c = 394/23
y = -1/23x + 394/23
use newton's methods to calculate the root of the equation x^3 - 4x + 2 = 0 that lies near x = 3. Express the answer correct to 3 decimal places
3. c(x) = (x^3 - 9x^2 + 26x - 24)/(x-3)
is the function continuous?
Yes, the function is continuous as it is drawn without lifting the pen of paper
calculate lim x (3) for c(x)
(x^3 - 9x^2 + 26x - 24)/(x-3) = (x-2)(x-3)(x-4)/(x-3)
= (x-2)(x-4)
= (3-2)(3-4)
= 1 * -1
= -1
4. The rate of change is expressed by s'(t) = 3x^2 - 36x + 72, x [0,12]. Find an expression for the total inventory, s(t) if the company had 200 items initially
6x - 36 + 200
b. Determine the area bounded by s'(t) and the x-axis between 2.54 ≤ t ≤ 9.46, correct to 2 decimal places
using calculus, 166.28
using the graph of the gradient, draw a sketch of a possible curve of s(t), label turning points, end points and intercepts
not sure about this question
year 11 2017
year 12 2018
year boredsatan 2019
year LOL 2020-infinity
Any help will be greatly appreciated. Have a test this friday
year 11 2017
year 12 2018
year boredsatan 2019
year LOL 2020-infinity
bump
year 11 2017
year 12 2018
year boredsatan 2019
year LOL 2020-infinity
bump
year 11 2017
year 12 2018
year boredsatan 2019
year LOL 2020-infinity
bump
year 11 2017
year 12 2018
year boredsatan 2019
year LOL 2020-infinity
There are currently 1 users browsing this thread. (0 members and 1 guests)
Bookmarks