1. A pair of dice is rolled. What is the probability of: (a) total of the outcomes is 9?
(b) same outcomes on both dice?
(c) total is a multiple of 3?
(d) first outcome smaller than the second?

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b

step-by-step explanation:

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.