If `f : R rarr R` defined by : `f(x) = frac {6-5x}{7}` is an inversible function, find `f^-1`.

If f : R rarr R defined by : f(x) = frac {4-3x}{5} is an inversible function, find f^-1 .

If f : R rarr R defined by : f(x) = frac {3-2x}{4} is an inversible function, find f^-1 .

Prove that the relation R in Z of integers given by: R = {(x, y): 3x - 3y is an integer } is an equivalence relation. [3] If f: RrarrR defined by f(x) = (6- 5x)/7 is an invertible function, find f^-1 .

If f :Rrarr R defined by f(x)= (5x+6)/7 is an invertible function, find f^(-1) .

If f: R rarr R defined by f(x) = (3x+5)/2 is an invertible function, find f^-1

If: f : R rarr R defined by f(x)= (2x+3)/4 is an invertible function, find f^(-1)

Show that f: Rrarr R defined by f(x)= (4x-3)/5 , "x" inR is invertible function and find f^(-1) .

If f : R rarr R is defined by f(x) = x + 2, find f(f(x))