find the domain and range of 1)2x-2/x^2-2x+3 2)how to find the domain and range of log functions??plz explain with an example.

Asked by  | 12th Jun, 2013, 11:56: AM

Expert Answer:

Please ask one question in one query. 
1. f(x) = 2x-2/x^2-2x+3 = 3-2/x^2
Domain -- the function is valid for all values of x except at x = 0
Hence domain = R -{0}
Range = The function can have all values from -infinity to + infinity. Hence range = (-infinity, + infinity)

Answered by  | 13th Jun, 2013, 04:02: AM

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