![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c42bafb1a9c35038638bd7dce33431f1.png\")
represents the days of the week.The set represents the days of the week.
The set ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=da1b00d6dfb82068ce55806c93b18274.png\")
represents high temperatures of the week.
(a)
\The relation between the day of the week and the estimated high temperature as a set of ordered pairs ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4cb085109cb51948e5469628697b19de.png\")
.
(b)
\The relation between the day of the week and the estimated high temperature as a set of ordered pairs ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1d87d0afe38cce546b44c8b3fb091194.png\")
.
The estimate high temperature is a function of the day of the week because there is exactly one estimated high temperature for each day.
\The relation between the day of the week and the estimated low temperature as a set of ordered pairs ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fe8579046a705dc35e3d63b2dd2b442c.png\")
.
The estimate low temperature is a function of the day of the week because there is exactly one estimated low temperature each day.
\ \(a). ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4cb085109cb51948e5469628697b19de.png\")
.
(b). Yes, the estimated high and estimated low temperatures are both functions of the day of the week.