Question

A={(1,2,),(2,3),(3,4),(4,5)}
First graph is A.)
Second one is B.)
Third one is C.)
Fourth one is D.)

Answer 1

The first number of each pair is the x-coordinate, that is, the distance to the right of the y-axis.

The second number of each pair is the y-coordinate, that is, the distance above the x-axis.

Graph A is the appropriate choice.