Q. 345.0( 2 Votes )

Mark the correct alternative in each of the following:

Let A = {x ϵR : x ≥ 1}. The inverse of the function f : A A given by f(x) = 2x(x–1), is

A.

B.

C.

D. not defined

Answer :

Given that A = {x ϵ R : x ≥ 1}. The function f: A A given by f(x) = 2x(x–1)


Put y = f(x)


y = 2x(x–1)








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