All of the teachers at North MS are sampled. The seventh grade teachers at North MS and West MS are sampled. The teachers are alphabetized by last name and every fifth teacher is sampled. The teachers who attend the school board meeting are sampled.

d i think

step-by-step explanation:

add a pic of the graph, then ill edit this "answer" and solve it for you : 3

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.