Q. 385.0( 1 Vote )

Let f : R <span l

Answer :


(i)A function f : X Y is defined to be invertible, if there exists a function g : Y X

such that gof =Ix and fog = Iy .The function g is called the inverse of f and is denoted by f-1


(i) f : R R

(ii) f(x) = 4x – 3 for all x ϵ R.



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