
To solve: the given equation by two methods.
Given information:
The equation:
Definition Used:
Common logarithm- Base 10:
The common logarithmic function
Property used:
One-to-One Properties
For any exponential function
If
For any logarithmic function
If
Explanation:
First Method: Changing logarithm to exponential form:
By the definition of common logarithm:
Applying this to the given equation:
That is,
Second method: Use the one-to-one property of logarithms.
Chapter 3 Solutions
EBK PRECALCULUS:GRAPHICAL,...-NASTA ED.
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