Which of the following best describes a function? select all that apply.
the graphed line overlaps itself
every input has exactly one output
the graph of the relation passes the vertical line test
the graph of the relation is a straight line

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?