In the refrigerator there are 680 ounces of orange juice and 410 ounces of mango juice how many orange tango smoothies can ne madw explain your reasoning

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.