7th grade help me please :))

there are 4 terms, ,+4, +2, ,-7, and +6

Step-by-step explanation:

terns are like numbers, they can be positive or negative!

hope this helps:)) hheheeh

or

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.