Last month, ms. andrea's math class had an average test score of 80. this month, the new average test score is 125% of the previous month's average score. what is the new average test score for the class?

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.

then