the graph shows the relationship between the number of hours since starting a trip and the numbers of miles remaining

but which class are u may know that first

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 -1 1/5, also a

hope i

-lavira : )