Which set of ordered pairs represents a function? a
{(1, 8), (8, 1), (1, 5), (5, 1)}
{(2, 1), (3, 1), (4, 3), (5,3)}
{(5, 1), (3, 8), (3, 7), (7, 1)}
{(5, 1), (5, 6), (1,3), (9, 7)}

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°