Answer:
Graph is incorrect because she made the domain finite whereas according to the question domain is infinite that is all whole numbers.
Explanation:
Mellissa plotted two given points which is (2,4) and (3,6).
she drew a line segment by the two points whereas, she was suppose to draw a line.
Because this line can be extended upto any point. She violated the rule that domain of the function is all whole numbers because she made it finite
Whereas domain is infinite as per given in the question.