The combination of. the tornadoes, severe thunderstorm winds and winds behind the cold front left over 775,000 homes and. businesses without power and about $70 million in damages. April 2014 Page 5 of 16 www.mcswa.com. The following is a list of tornadoes experienced by each county in Michigan.
{(-1, 3), (-2, 5), (-3, 3), (-5, -3)}. To show that the four ordered pairs belong together in a set, we list them with commas in between each and brackets around the group. As with other methods of representing relations, we can check the characteristics of a set of ordered pairs to determine if it is a function.he next table does not represent a function. The x column has two values that are 3, and they correspond to two different values for y. Remember, when a single input can produce multiple outputs, the relation is not a function.
There fore, this correspondence is not a function. It is, however, a relation. D R 1 0 1 2 2 1 2 3 3 2 3 4 A relation is any set of ordered pairs. The set of first coordinates in the ordered pairs is the domain of the relation, and the set of second coordinates is the range. 3. Example 1: A function can now be defined as a special kind of relation. Note that the definition just given does not refer to any rule.