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  1. cookiez69

    Suggestions for a good asian economy?

    Nah I don't.
  2. cookiez69

    Suggestions for a good asian economy?

    Hey guys, I just received my first economics assignment, and I'm in need of a good asian economy (besides Japan) to study. Any suggestions? The Question is: Discuss the economic characteristics of the selected Asian economy and compare and contrast it to the Australian economy The following...
  3. cookiez69

    [Quadratics - Discriminant] Help needed

    Show that the roots of the equation 4(m+1)x^2 -4(m-1)x -3 = 0, (m =/= -1) are real for all real m. Thanks in advance.
  4. cookiez69

    Help please.

    A piece of wire 7 metres long is cut into two parts, one is used to form a square, and the other to form a rectangle whose length is three times its width. Find the lengths of the two parts if the sum of the areas is a minimum. Thanks for helping in advanced :]
  5. cookiez69

    Help please

    For what values of m is the line y = mx a tangent to the circle (x-4)^2 + y^2 = 4. Thank you in advance, and much appreciated :]
  6. cookiez69

    Functions help...

    Thanks :]
  7. cookiez69

    Functions help...

    Yeah, I need help with another question... f(x) = 2x-1 and g(x) = (x+1)/2 i) For what values of x is g(x) = f(x^2)? ii) Prove f[g(x)] = x I've done the first question as well as proved the second question, however for the last question, the working out seemed too simple and generally...
  8. cookiez69

    Piecemeal Functions Help

    Hmm, my tutor told us it was called Piece meal functions, but that's not the point. Thank you! Much appreciated :D
  9. cookiez69

    Piecemeal Functions Help

    The function f(x) is defined by: -x+2 if x >= 1 f(x) = x^2 if -1 =<x<1 x+2 if x<-1 i) Sketch the curve y=f(x) ii) Find the value(s) of x so that: f(x)= x/2 I've already sketched the curve, I just need help with the second question. Thanks :)
  10. cookiez69

    Maths Tuition - 3U STATE RANK

    Impressive credentials, Nooblet.
  11. cookiez69

    Holiday math - going ahead

    I've heard this too.
  12. cookiez69

    More Trig help :)

    Solve the equation, for a) 2cos(2x) - 1 < 0 Please and Thank you very much!
  13. cookiez69

    Trigonometry help

    Thanks, so far I've gotten , which when plugged into the calculator is also sqrt(2)-1, I just need help simplifying that please.
  14. cookiez69

    Trigonometry help

    a) Prove that provided that b) Hence find the exact value of ANSWER: I've already answered the first question, I just need help with the second one... Please and thank you :]
  15. cookiez69

    Maths help...

    Hello all, The question is to, Simplify: <img src="http://latex.codecogs.com/gif.latex?\frac{2^{m-3}}{15^{-m-1}} \times \frac{6^{2-m}}{5^{m+1}}" title="\frac{2^{m-3}}{15^{-m-1}} \times \frac{6^{2-m}}{5^{m+1}}" /> Thank you, help is much appreciated :)
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