Plz help me with this

Which of the following lists of ordered pairs is a function?

Karan completes a six-year stint as a junior writer in a news company. recently, another company hires him in the role of an assignment editor. what will karan’s key responsibility be as an assignment editor?

Where is the photoshop flaw in this picture? a. the fish is too large, b. the head has been pasted on another persons body, c. the guy has no hands, d. the background has been altered.