Which of the following relations represents a function? Question 4 options:

{(–1, –1), (0, 0), (2, 2), (5, 5)}

{(0, 3), (0, –3), (–3, 0), (3, 0)}

{(–2, 4), (–1, 0), (–2, 0), (2, 6)}

None of these

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

Ithink i know it but i want to be sure so can you me out ?