The function `f: [2, oo) -> Y` defined by `f(x) = x^2-4x + 5` is both one-one and onto if

The function f:[2,oo)rarr Y defined by f(x)=x^(2)-4x+5 is both one-one and onto if

The function f:xtoY defined by f(x)=x^(2)-4x+5 is both one-one and onto if

The function f:xtoY defined by f(x)=x^(2)-4x+5 is both one-one and onto if

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

Let a function f:R rarr R be defined by f(x) = 3 - 4x Prove that f is one-one and onto.

Show that the function f: R rarr R defined by f(x) = (4x-3)/5, x in R is one one and onto function.

A function f: R rarr R be defined by f(x) = 5x+6. prove that f is one-one and onto.

Show that the function f: R rarr R , defined as f(x) = x^2 , is neither one-one nor onto.

If a function f:[2,\ oo)->R defined by f(x)=(x-1)(x-2)(x-3) is (a) one-one but not onto (b) onto but not one-one (c) both one and onto (d) neither one-one nor onto