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Maths P1 Oct/Nov 2010 13th OCt

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$!$RatJumper$!$:
Guys what was Question 6 in P12? And what did u get?

Deadly_king:

--- Quote from: $!$RatJumper$!$ on October 14, 2010, 02:29:23 pm ---Guys what was Question 6 in P12? And what did u get?

--- End quote ---

Hmm.........the answers I obtained were :

i) 0 < K < 4

ii) You need to replace k = 4 in both equations and then solve them simultaneously to obtain the coordinates of the point of intersection ;)

$!$RatJumper$!$:

--- Quote from: Deadly_king on October 14, 2010, 04:18:50 pm ---Hmm.........the answers I obtained were :

i) 0 < K < 4

ii) You need to replace k = 4 in both equations and then solve them simultaneously to obtain the coordinates of the point of intersection ;)

--- End quote ---

beautiful :) same here lol though a lot of people i asked told me they simply got k=4. it had to be 0 < K < 4 instead right? my coordinates were (0.5, 2)

anyways for the rate of change question, were we just meant to plug in 5 to our differentiated equation?

for the functions question, what did u guys get for the range of g(x) and the domain of g^-1(x)?? i think i got >3 for the range and <3 for the domain. Was it just > or was it >=? ...and also how did u calculate h(x)?

for the last question, I only managed to find the volume under the line AB due to time issues. How many marks do u think i would get out of 9 for that?

Deadly_king:

--- Quote from: $!$RatJumper$!$ on October 14, 2010, 05:06:33 pm ---beautiful :) same here lol though a lot of people i asked told me they simply got k=4. it had to be 0 < K < 4 instead right? my coordinates were (0.5, 2)

anyways for the rate of change question, were we just meant to plug in 5 to our differentiated equation?

for the functions question, what did u guys get for the range of g(x) and the domain of g^-1(x)?? i think i got >3 for the range and <3 for the domain. Was it just > or was it >=? ...and also how did u calculate h(x)?

for the last question, I only managed to find the volume under the line AB due to time issues. How many marks do u think i would get out of 9 for that?



--- End quote ---

Hmm.......i don't really remember the coordinates but am sure there is half among them ;)

Yeah........it was not worth much marks.......so the differential equation was bound to be simple.

Sorry dude.......but I can't remember the range :-[
Though for h(x) = F(x) / g(x) ----> only one mark was allocated for this.

Hmm.........that was only half of the whole work......I guess you'll manage 4 marks :-\

Twinkle Charms:
P1 my loveeeee ;D
i remember it was soopper for me this june & was oredy expecting full marks in it , i even got an A in tht paper ;D ;D alhumdullilah ;D ;D

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