Concept explainers
a.
To find: the ordered pairs of the form for the given condition and the slope of line at given points.
a.
Answer to Problem 31E
Ordered pairs =
Explanation of Solution
Given information:
Temperature at 12:00 A.M =
Temperature at 4:00 P.M =
Calculation:
Let the time be x and temperature be y.
Convert the time into hours as follows:
12:00 A.M = 0 hour
4:00 P.M = 16 hours
The table depicts the temperature ( y ) at different time ( x ).
0 | 23 |
16 | 48 |
Thus, the set of ordered pairs is
Put the values in the slope formula mentioned below and evaluate the slope ( m ) as shown below.
The value of the slope is
b.
To describe: the representation of the slope of line.
b.
Answer to Problem 31E
It represents the average change in temperature per hour.
Explanation of Solution
Given information:
Temperature at 12:00 A.M =
Temperature at 4:00 P.M =
Calculation:
Therefore, the slope of the line represents the average change in temperature per hour.
Chapter 1 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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