Yul and sarah's art clasd started at 11: 25 a. m. the class lasted 30minutes. yul left when the class was done. sarah stayed an extra 5 minutes to talk with the teacher and left.

p = 6s

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.