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Linear Function

When the degree of P(x) and Q(x) in a rational function, are one then it is called a linear function.

So, the linear fraction is defined as

        f(x) = (ax+b)/(cx+d)

Domain of linear fraction function is R - {-d/c}

And its range is R - {a/c} (Therefore x = (b-dy)/(cy-a)).

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To read more, Buy study materials of Set Relations and Functions comprising study notes, revision notes, video lectures, previous year solved questions etc. Also browse for more study materials on Mathematics here.

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