Which of the following approximates the ratio of 6 to 198? select all that apply. 3 out of 10 3 × 10−2 3 out of 1,000 3 × 102 3 out of 100 0.3

this is approximately 6 to 200

divide both by 2

3 to 100

3 to 10^2

3 out of 100

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.