# How do you draw a mapping diagram of the set of ordered pairs (1,2), (3,5), (6,9), (10,12)?

From this diagram, we see that we have a well defined one to one mapping from the domain $\left\{1 , 3 , 6 , 10\right\}$ onto the range $\left\{2 , 5 , 9 , 12\right\}$