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Quandaries & Queries
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 Topic: 2)
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 What is -2^2? 2010-08-25 From alex:I know that (-2)^2 is 4 but what is -2^2?Answered by Robert Dawson and Penny Nom. The graph of f(x-2) 2009-11-19 From Kapilan:Hi please answer the following question: Given the function f(x)=x^2 sketch the graph of f(x-2)Answered by Robert Dawson. Integration of cos (x^2) dx 2009-10-12 From Venkat:How do you evaluate the integration of cos (x^2) dx ?Answered by Harley Weston. 2/sqrt(2) 2003-05-07 From Mike:I was looking at an example of csc 45 deg where csc = hyp / opp = 1 / (sqrt(2) / 2) = 2 / sqrt(2) = sqrt(2) I just don't get this. If sqrt(2) = 1.4142145..... How can 2 / sqrt(2) = sqrt(2) as the example shows? Answered by Penny Nom. f(x), f(x) + 2, f(x +2) 2001-04-04 From Monica:Could you explain to me how one should go about graphing functions such as f(x), f(x+2), and so on. Also, how should you explain things such as constants and relationships among functions?Answered by Penny Nom. Comment fait on pour justifier que... 2002-09-30 From Lucie:Comment fait on pour justifier que p au carré est égal à 2 fois q au carré?Answered by Claude Tardif.

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