Thread: finding functions with images

Find functions fi: R -> R whose images are as follows:
(i) Imf1 = R;
(ii) Imf2 = R+;

Originally Posted by narjsingh

Find functions fi: R -> R whose images are as follows:
(i) Imf1 = R;
(ii) Imf2 = R+;

This is a silly question.