A department store sales advertises 1/2 off all clearance items. She pays a total of 11 dollars

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.

the answer is: -22 also a

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-lavira: )

median- 36f

mode - none

mean- 33.7 ~ 34f