407) A function is defined as . Isaac is asked to create one more ordered pair for the function. Which ordered pair can he add to the set to keep it a function? 1) 3) 2) 4) SOLUTIONS 399) ANS: 3 A function is a relation that assigns exactly one value of the Strategy: Eliminate wrong answers. dependent variable to each value of the independent variable. Answer choice a a function because there are two values of y when . is not Answer choice b a function because there are two values of y when . is not Answer choice c a function because only one value of y is paired with each value of x. is Answer choice d a function because there are two values of y when . is not . PTS: 2 NAT: F.IF.A.1 TOP: Defining Functions 400) ANS: Yes, because every element of the domain is assigned one unique element in the range. Strategy: Determine if any value of has more that one associated value of A function has one and x y. only one value of for every value of y x. PTS: 2 NAT: F.IF.A.1 TOP: Defining Functions 401) ANS: 2 A Strategy: Determine if each of the for views are functions, then select from the answer choices. function is a relation that assigns exactly one value of the dependent variable to each value of the independent variable. I a function because when , y can equal both 6 and -6. is not II is a function because there are no values of x that have more than one value of y. III a function because it fails the vertical line test, which means there are values of x that have more is not than one value of y. IV a function because it is a straight line that is not vertical. is Answer choice b is the correct answer. PTS: 2 NAT: F.IF.A.1 TOP: Defining Functions 402) ANS: 3 A function has one and only one output for each input. The diagram shows that February maps to two different output numbers, so the diagram cannot represent a function. PTS: 2 NAT: F.IF.A.1 TOP: Defining Functions KEY: ordered pairs 403) ANS: , because then every element of the domain is not assigned one unique element in the range. PTS: 2 NAT: F.IF.A.1 TOP: Defining Functions 404) ANS:
407) A function is defined as . Isaac is asked to create one more ordered pair for the function. Which ordered pair can he add to the set to keep it a function? 1) 3) 2) 4) SOLUTIONS 399) ANS: 3 Strategy: Eliminate wrong answers. A function is a relation that assigns exactly one value of the dependent variable to each value of the independent variable. Answer choice a is not a function because there are two values of y when . Answer choice b is not a function because there are two values of y when . Answer choice c is a function because only one value of y is paired with each value of x. Answer choice d is not a function because there are two values of y when . . PTS: 2 NAT: F.IF.A.1 TOP: Defining Functions 400) ANS: Yes, because every element of the domain is assigned one unique element in the range. Strategy: Determine if any value of x has more that one associated value of y. A function has one and only one value of y for every value of x. PTS: 2 NAT: F.IF.A.1 TOP: Defining Functions 401) ANS: 2 Strategy: Determine if each of the for views are functions, then select from the answer choices. A function is a relation that assigns exactly one value of the dependent variable to each value of the independent variable. I is not a function because when , y can equal both 6 and -6. II is a function because there are no values of x that have more than one value of y. III is not a function because it fails the vertical line test, which means there are values of x that have more than one value of y. IV is a function because it is a straight line that is not vertical. Answer choice b is the correct answer. PTS: 2 NAT: F.IF.A.1 TOP: Defining Functions 402) ANS: 3 A function has one and only one output for each input. The diagram shows that February maps to two different output numbers, so the diagram cannot represent a function. PTS: 2 NAT: F.IF.A.1 TOP: Defining Functions KEY: ordered pairs 403) ANS: , because then every element of the domain is not assigned one unique element in the range. PTS: 2 NAT: F.IF.A.1 TOP: Defining Functions 404) ANS:
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