Which of the following is NOT a function? a. A = {(1, 4), (3, 5), (1, —5), (3 , —5), (1, 5)} b. A = {(-3, —1), (2,0), (5 , 1), (3 , —8)} c. A = {(12 ,15), (11, 31), (15 ,12), (3 ,12)} d. A = {(2, —3), (-3,2), (4, 5), (5, 4)}
Which of the following is NOT a function? a. A = {(1, 4), (3, 5), (1, —5), (3 , —5), (1, 5)} b. A = {(-3, —1), (2,0), (5 , 1), (3 , —8)} c. A = {(12 ,15), (11, 31), (15 ,12), (3 ,12)} d. A = {(2, —3), (-3,2), (4, 5), (5, 4)}
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.7: Operations On Functions
Problem 55E
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Question
Which of the following is NOT a function?
a. A = {(1, 4), (3, 5), (1, —5), (3 , —5), (1, 5)}
b. A = {(-3, —1), (2,0), (5 , 1), (3 , —8)}
c. A = {(12 ,15), (11, 31), (15 ,12), (3 ,12)}
d. A = {(2, —3), (-3,2), (4, 5), (5, 4)}
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