3. The length of AC is the square root of
13
15
17
19

i got 142 as my answer

step-by-step explanation:

step-by-step explanation:

mean or average is 40.6

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.