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Hmm so for Q 3 i'm not sure how you mean i did the reverse distributive law wrong... here is my working On 1st line we get (AUB^c)U(AUB) - De morgans law, second line we use the reverse distributive law The distributive law says: "A ∩ (B ∪ C) = (A ∩ B) ∪ (A ∩ C)" So we note the A's common in...

For 2009 Test 1A Q2 i) is it fine to write "f is 1-1 iff for every y an element B, there is at most one x and element of A such that f(x)= y" and " g is 1-1 iff for every y an element of C, there is at most one x an element of B such that f(x)=y" part ii) i said "suppose g o f(x) = g o f(y)...

Also help me out with 2010 2B Q2 plz

K i got confused and thought u said range was [0,1] for this specific Q not for a some general example all g

im really bad with these Qs so help me out a bit here how did u get the range as [0,1] ? and for the 2 values u get u go like: x^2(2x+3) then x=0 or x= -3/2 right??

Yep cool ty

Also how can you prove Q2 2009 Test 1B is invective or subjective ? i think form the graph it does fail the horizontal line test but how would u write out a proof for this one??

Yeah k fair enough, for the one that is false u can just say {{a}} is a sub set of A3 not an element right? could u also check my answer for 2009 Test 1A Q1 before i add it to the main post

They are recorded see the echo 360 link from the moodle page its on the left hand side

Oh yeah right but, i dint but u can just see form part i)

Okay so as we have a topic 1 test this week in our first tute and some of us are still struggling with a few things here and there (including my self) i thought this would be helpful. We can collaborate on answers to past papers and hopefully get any concepts explained to us by each other...

Yeah i would also advise not to drop it just cause you are falling behind a little, you can catch up in a weekend if u are dedicated enough. For the upcoming test this week on topic 1 i am thinking of doing a revision thread(im also sketchy on a few concepts) so that will probs help you out, and...

How did u go in Ext1 tho in year 12 e3?e4?, im doing most of the revision questions cause i forgot all my trig and graphing stuff... any tips tho?

Also forgot to ask it it timed ? /how much time do u get per Q Sent from my iPhone using Tapatalk

Well for 1131 only ext.1 is a requirement but for 1141 4u is a requirement i think... so if they have different quizzes for ppl enrolled in 1141 they would be they only ones with 4U questions i imagine.

Thanks for your reply, Is there any topic they are largely on like integration etc?

I was wondering how hard the Assumed Knowledge Quiz test is (plz reply if u have done it and what topic the questions are largely on) and should i spend a day or 2 going over ext1 work to go well in it? Also what does it mean by "Remember you have 5 attempts and we take the best of them" do...

I'm in a similar position to thief I live on central coast so I don't wanna be at uni longer that I have to and also doing an engineering degree means u have bad timetables :p Btw eat in lectures or tutes? Ty anyway Sent from my iPhone using Tapatalk

Yep they did Sent from my iPhone using Tapatalk

How do we go about buying food from subway etc when we have a full day eg. Tomz I have 11-5 lecture tute lecture. How much time Do we have to get to and from classes, eg. If it says it finishes at 1 does it usually finish early and do tutes and lectures start at exact given time?? Sent from my...