1.

A function f is defined on the set of real numbers as follows : f(x)={:{(1+x,1lexlt2),(2x-1,2lexlt4),(3x-5,4lexlt6):} (i) Find the domain of the function. (ii) Find the range of the function. (iii) Find f(4). (iv)Is the function one-one ? Justify.

Answer»


ANSWER :`D_(F)=[2,6]:R_(f)[2,13]`


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