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Pure Mathematics 1

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joel:
The function f(x) = x^2 – 4x +3 which is defined for all real values of x, and x ? k.
(a) Find the greatest possible value of k.
(b) Determine the range of f.
(c) Find the inverse function f-1 and state its domain and range.
(d) Sketch the graphs of y = f(x) and f-1(x).

nid404:
Which paper?

Stay10:
well same here..which paper is this..??
the questions on range nd domain are quite tricky..found it difficult over here aswell at the start..but went through this video nd found it quite easy after tht..try it
http://www.5min.com/Video/Finding-the-Domain-and-Range-of-a-Function-160957956
hope this help  :)

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