A function f(x) defined as `f(x) = { 2x if x in Q, x^2+5 if x in Q'` , then the product of the pre-images of 8 and 14, is

The function f(x) is defined by f(x) = (x+2)e^(-x) is

The function f(x)={2x+1,x in Q and x^(2)-2x+5,x in Q

A function is defined by f(x)=2x-3 Find x such that f(x)=f(1-x) .

If a function f:CtoC is defined by f(x)=3x^(2)-1 , where C is the set of complex numbers, then the pre-images of -28 are

Let, the function f:RRrarrRR be defined by, f(x)={:{(1 ,"when " x in QQ),(-1,"when "x !in QQ):}" find" pre-image of 1 and (-1)

If f:Q to Q is defined by f(x) = 5x+4 , find f^(-1) .

A function f is defined by f(x)=3-2x . Find x such that f(x^(2))=(f(x))^(2).