(a)
To check set of ordered pairs represent a function from A to B or not.
(a)

Answer to Problem 18CR
S=
Explanation of Solution
Given: Sets are
A
B
And set of ordered pairs (say ‘S’) is
S=
Observations:
In set S, both coordinates are distinct.
Hence set S represent function from A to B.
(b)
To check set of ordered pairs represent a function from A to B or not.
(b)

Answer to Problem 18CR
R=
Explanation of Solution
Given: Sets are
A
B
And set of ordered pairs (say ‘R’) is
R=
Observations:
In set R,
So, set R not represent function from A to B.
Chapter 1 Solutions
EP PRECALC.GRAPHING APPR.-WEBASSIGN-1YR
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