
(a)
To calculate:To determine if set of ordered pairs is a function or not
(a)

Answer to Problem 18STP
Set of ordered pairs is NOT a function
Explanation of Solution
Given information:Given set of ordered pair is
Formula Used:
Set of ordered pairs is referred to as function if each value of
Calculation:
Set of ordered pairs is given as follows
Here, in ordered pair
And, in ordered pair
Since
Hence, given ordered pair is NOT a function
(b)
To calculate:To determine if set of ordered pairs is a function or not
(b)

Answer to Problem 18STP
Set of ordered pairs is a function
Explanation of Solution
Given information:Given set of ordered pair is
Formula Used:
Set of ordered pairs is referred to as function if each value of
Calculation:
Set of ordered pairs is given as follows
Here,
In ordered pair
In ordered pair
In ordered pair
In ordered pair
Since each value of
Hence, given ordered pair is a function
(c)
To calculate:To determine if set of ordered pairs is a function or not
(c)

Answer to Problem 18STP
Set of ordered pairs is NOT a function
Explanation of Solution
Given information:Given set of ordered pair is
Formula Used:
Set of ordered pairs is referred to as function if each value of
Calculation:
Set of ordered pairs is given as follows
Here,
In ordered pair
In ordered pair
In ordered pair
In ordered pair
Since
Hence, given ordered pair is NOT a function
(d)
To calculate:To determine if set of ordered pairs is a function or not
(d)

Answer to Problem 18STP
Set of ordered pairs is NOT a function
Explanation of Solution
Given information:Given set of ordered pair is
Formula Used:
Set of ordered pairs is referred to as function if each value of
Calculation:
Set of ordered pairs is given as follows
Here,
In ordered pair
In ordered pair
Since
Hence, given ordered pair is NOT a function
Chapter 1 Solutions
Pre-Algebra Student Edition
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