Which ordered pairs show y as a function of x? { (8, 1), (8, -1), (6, -1), (6, 2)}
((5, 0), (4, -1), (-5, -2), (4, -3)}
{(4, 7), (9, -6), (11, -6), (10, 7)}
{(2, 8), (1, 9), (9, 10), (9, 11)}

Will mark brainliest with 20 points! the table shows how far object 1 traveled as a function of time. *time (seconds) - 2 4 6 8 *distance traveled (feet) - 18 36 54 72 the equation shows how far object 2 traveled in feet as a function of time in minutes. *f(x) = 10x which object traveled at a faster speed? justify your response.

Which system of linear inequalities is represented by the graph? !

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).