Which of the roles filled by the president do you think is the most important? explain your reasoning behind making this decision.

The role of the president "to lead the country" is very important. 
Without a leader, we would be divided, and "united we stand, divided we fall"

its a simple as that, without a leader, we would be a lot more divided than we are now and without the president, well, there might be chaos

hope this helps

Answerthe correct answer is cexplanationthe ordered pair of the relation are: the domain is the set of all the x-values for which the function is defined.these are: therefore the correct option is c.