Domain and Range Worksheet
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Transcript of Domain and Range Worksheet
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Relation, Function, Domain & Range
Model Problems
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Answers to all questions are available online @:
www.mathwarehouse.com/algebra/relation/math-function.php
Part I
1) What is the domain and range of the following relation?
{ (-1,2), (2, 51), (1, 3), (8, 22), (9, 51) }
domain:______
range:______
2) What is the domain and range of the following relation?
{ (-5,6), (21, -51), (11, 93), (81, 202), (19, 51) }
domain:______
range:______
3) What is the domain and range of the following symbolic relation?
domain:________
range:______
Part II
1) Which relations below are functions? _________
Relation #1 { (-1,2), (-4,51), (1,2), (8,-51) }
Relation #2 { (13,14), (13,5) , (16,7), (18,13) }
Relation #3 { (3,90), (4,54), (6,71), (8, 90) }
2) Which relations below are functions? _______________
Why?
Relation #1 { (3,4), (4,5), (6,7), (8,9) }
Relation #2 { (3,4), (4,5), (6,7), (3,9) }
Relation #3 { (-3,4), (4,-5), (0,0), (8,9) }
Relation #4 { (8, 11), (34,5), (6,17), (8,19) }
3) Which relations below are functions? _______________
Why?
Relation #1 { (3,4), (4,5), (6,7), (3,-9) }
Relation #2 { (3,4), (4,5), (6,7), (5,4) }
Relation #3 { (0,4), (4,-5), (0,0), (8,9) }
Relation #4 { (8, 11), (34,5), (6,17), (6,19) }
4) For the following relation to be a function, X cannot be what values?
{ (8, 11), (34,5), (6,17), (X ,22) }
5) For the following relation to be a function, X cannot be what values?
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{ (12, 13), (-11, 22), (33, 101), (X ,22) }
6) For the following relation to be a function, X cannot be what values?
{ (12,14), (13,5) , (-2,7), (X,13) }
7) For the following relation to be a function, X cannot be what values?
{ (13,14), (12,5) , (16,7), (X,13) }
Alex states that the relation below is not a function. Lillian says that it is a
function. Who is correct? Explain your reasoning.
Relation { (13,14), (12,5) , (16,7), (13, 14), (-2, 33), (13, 14 }
Explanation:
Answers to Questions and an accompanying online lesson available @: Based on Online
Lesson @: www.mathwarehouse.com/algebra/relation/math-function.php
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Relation, Function, Domain & Range
Group Activity
Introduction to Functions Activity
Activity
Task #1) Write a relation that is not a function with at least 6 ordered pairs:
Task #2) Write a function with at least 6 ordered pairs:
Task #3) Now on separate, blank sheet of paper, copy down both of the relations, and ask
another person in your group to
1) Identify which relation is the function
2) Explain why the other relation is not a function.
Task #4) Compare your answers.
Task #5) After you have both agreed upon an answer, explain what prevented the one
relation from being a function.
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TEACHERS: Feel free to make copies of this worksheet for the sole purpose of use in
your own classroom. ENJOY!!!
Group Members:
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