QUESTION 10 Which of the following relations also define a function from A to B? A fa, b, c, d), B {1, 2, 3) {(a, 1), (b, 2), (c. 1), (d, 2) R (1, 2, 3) (a, b, c, d), B R {a, 1), (b, 2), (a, 2), (c, 1), (d, 2) A A set of all recipients of Medicare in the United States B x | x is a nine-digit number aRb iff b is a's Social Security Number

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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QUESTION 10
Which of the following relations also define a function from A to B?
A
fa, b, c, d), B {1, 2, 3)
{(a, 1), (b, 2), (c. 1), (d, 2)
R
(1, 2, 3)
(a, b, c, d), B
R {a, 1), (b, 2), (a, 2), (c, 1), (d, 2)
A
A set of all recipients of Medicare in the United States
B x | x is a nine-digit number
aRb iff b is a's Social Security Number
Transcribed Image Text:QUESTION 10 Which of the following relations also define a function from A to B? A fa, b, c, d), B {1, 2, 3) {(a, 1), (b, 2), (c. 1), (d, 2) R (1, 2, 3) (a, b, c, d), B R {a, 1), (b, 2), (a, 2), (c, 1), (d, 2) A A set of all recipients of Medicare in the United States B x | x is a nine-digit number aRb iff b is a's Social Security Number
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