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Excellent! As expected :)

An increase in the school leaving age would mean a decrease in the participation rate and increase in unemployment right?

I dropped the shit out of it, it was boring as hell.

For the first bit, you can either use first derivative and check gradient either side of the turning point, or you can use second derivative and check the concavity!

I worked at McDonalds through most of my HSC and they had no problem giving me 1 shift a week.

3th? :P Sent from my iPhone using Tapatalk 2

I find that with these questions your best bet is to graph them. So the general form for a parabola is: x^{2}=4ay From that you can determine the vertex, in this case (0, 0) but for a parabola with vertex (-1, 4) the equation would read: (x+1)^{2}=4a(y-4) The a represents the focal...

Alright thanks. Also, what do you think I should be doing in relation to final preparation?

And what's the process of "moderation" for internal marks? How would the following internal marks (average) be moderated, and or what to? English - 60 Maths - 80 SDD - 80 Economics - 80 Business - 80

Apart from SDD, I've finished every subject in terms of content. I also just sat my trial exams and these were my results: English - 62 SDD - 77 Maths - 70 Business - 74 Economics - 66 I'm relatively happy considering I did minimal study. I pretty much only studied for maths and it was quite...

Nope. I got 25% in prelim Economics yearly :)

You need to first understand what our fiscal strategy was in the current budget - expansionary, contractionary? From there, think about how it will affect unemployment, inflation, external stability, economic growth, income distribution and environmental sustainability.

I can vouch, Tokyo, Osaka, Kyoto and Hiroshima are all great. :)

Yeah Python is great! You should look into doing the NCSS Challenge, which is starting next month. It's a 5 week programming course/challenge that allows you to build skills in Python. You can choose from 3 streams - beginner, intermediate or advanced based on your current expertise. I highly...

I do, but how come you can do sum of 1-9 is = to 2-10.... will that always work?

I provided the answer in the OP, so 488281/5 is the answer, but I'm not sure how to get that. EDIT: That's right! Is that the only way to do it?

I am trying to find the sum for this, but since the series starts at n=2 the formula isn't giving me the correct result. I've tried doing S10 = (a(r^n-1))/r-1 since |r| > 1. However, I get the wrong result by a big margin. How do I evaluate questions such as this when the first term isn't 0 or 1?

f(x)=\sqrt { 9-{ x }^{ 2 } } +4\\ \qquad \qquad \qquad =(9-{ x }^{ 2 })^{ \frac { 1 }{ 2 } }+4\\ \\ f'(x)=-x(9-{ x }^{ 2 })^{ -\frac { 1 }{ 2 } }\\ \qquad \qquad \qquad =-\frac { x }{ \sqrt { 9-{ x }^{ 2 } } } Is this what you mean?

Sorry I skimmed over your post and didn't see that, I only saw quoted part. Apologies!

I'm glad I got a more realistic estimate :) I'll work hard though.