What is correct about codomain elements in an onto function?

A. हर codomain element image होता है / Every codomain element is an image

Step 1: Identify the concept: this is onto function. Step 2: In an onto function every element of codomain is image of some domain element. Step 3: Remember onto means full codomain covered.

Step 1: concept पहचानें: यह onto function है। Step 2: Onto function में codomain का हर element किसी न किसी domain element की image होता है। Step 3: Onto means full codomain covered याद रखें।