Domain, Range and Functions Problem Set #3
 2-24-46-62-24-46-68-810-10Is this a function?Cannot be determinedYesNo 4-48-84-48-812-12Is this a function?Cannot be     determinedYesNo Is this a function?YesNoCannot be    determined Is this a function?Cannot be     determinedYesNo Cannot be     determinedYesNoIs this a function? Function?YesNoCannot be     determined NoCannot be determinedYesIs this a function? What is the domain of the following relation?{(4, 1), (-3, 1), (3, 6)}{1, 6}{-3, 3, 4}{4, 3}{-3, 1, 3, 4, 6} What is the range of the relation?{(-1, 4), (2, 4), (6, -4), (0, 3), (5, 3)}{-1, 0, 2, 5, 6}{-4, 3, 3, 4, 4}{-4, 3, 4} {4, 3} When determining whether a relation is a function, which coordinate cannot repeat?x-coordinatey-coordinatex- and y-coordinates Which coordinate is the domain?x-coordinatey-coordinatez-coordinatethe domain does not consist of     any coordinates Remember:  a relation is a set of ordered pairs.Is this relation a function?{(1, 4), (-5, 2), (4, 1), (1, 6)}YesNo, because "1" repeats No, beause "4" repeatsCannot be determined Is this relation a function?{(-8, 6), (-5, -2), (0, 5), (1, -2), (0, -8)}YesNo, because "-2 and -8" repeatNo, because "0" repeatsCannot be determined Is this relation a function?{(6, 6), (1, 1), (5, 5), (-3, -3)}YesNo, because the coordinates repeatNo, because a function has to have    at least 5 ordered pairsCannot be determined What is the domain of this relation?{(5, 6), (5, 3), (5, 1), (5, 0), (5, -6), (5, -10)}Therefore, this is NOT a function!{} -3025-413Is this a function?YesNo -132-62-2  0Is this a function?YesNo 2-24-46-62-24-46-68-810-10What is the domain?{y: -6 ≤ y ≤ 6.5}{x: x ≥ -9}{x: -9 ≤ x ≤ 3} {all real numbers} -2-2x33y1302What is the domain?{-2, -2, 3, 3}{0, 1, 2, 3}{-2, -3}{-2, 0, 1, 2, 3} 038x2-4-4y15What is the range?{0, 2, 3, 8}{-4, 1, 5}{-4, 1, 5, -4}{-4, 1, 5, 4}
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