Joyce draws 6 pictures . that is 9 fewer pictures than kevin draws . how many pictures does kevin draw ?

I believe Kevin drew 15 pictures

Step-by-step explanation:

6+9=15

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.