Refer to the accompanying figure and determine the coordinates of the given point and the quadrant in which it is located. 

Direct democracies are only feasible in cities with large populations

Indicate whether the statement is true or false.

Which of the following is NOT true regarding the president as chief executive?

a. He or she is the head of executive branch. b. He or she oversees a complex system of agencies and bureaucracies. c. He or she appoints many positions including federal court judges. d. Many of his or her powers as chief executive are described in the Constitution in great detail to limit presidential power.