Prove that function `f: RrarrR, f (x) = (3-2x)/7`- is one-one and onto. Also find `f^-1`.

Prove that function f: RrarrR, f(x)=(3x-2)/7 in one-one and onto. Also find f^-1 .

Prove that the function f : RrarrR given by f (x) = 2x is one-one and onto.

Prove that the function f: R rarr R given by: f(x) = 2x is one-one and onto.

Prove that the function f: R rarr R defined by f(x) = 2x + 5 is one-one.

Function 'f:RrarrR,f(x)=3x-5' is :

Show that the function f : R rarr R defined by f(x) = ((2x-1)/3) : x in R is one-one and onto. Also find the inverse of 'f'.

Show that function f : RrarrR, f(x)=(3x+6)/8 is invertible. Also find inverse of f.

Show that the function f: R rarr R defined by f(x) = (3x-1)/2, x in R is one-one and onto function.

Show. that the function f: R rarr R defined by f(x)= (3x-1)/3, x inR is one-one and onto function.