Concept explainers
a.
To find:
An interval containing the solution of the equation by completing the table.
a.

Answer to Problem 108E
Our required interval would be
Explanation of Solution
Given:
A logarithmic equation and a table:
x | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 |
|
Calculation:
To complete the table, we will substitute the values of x in our given expression as shown below:
The complete table would be:
x | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 |
| 6.595 | 10.873 | 17.927 | 29.556 | 48.730 |
Since 24 lies between 17.927and 29.556, therefore our required interval would be
b.
To graph:
The given function using a graphing utility and approximate the solution.
b.

Answer to Problem 108E
The solution of our given equation would be
Explanation of Solution
Given:
A logarithmic equation:
Calculation:
Upon graphing our given function, we will get our required graph as shown below:
We can see that both lines intersect at
c.
To solve:
The given equation algebraically.
c.

Answer to Problem 108E
The solution of our given equation would be
Explanation of Solution
Given:
A logarithmic equation:
Calculation:
We will use logarithmic properties to solve our given equation.
Therefore, the solution of our given equation would be
Chapter 3 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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