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(approximately)
Rewrite as a logarithm equation (no exponents):
Rewrite as an exponent equation (no logs):
For exercises #18-22, assume that…
What are the domain and range of the graph you drew in exercise #23?
I invest $200 in a bank that pays 4% interest, compounded annually. So after years, I have dollars in the bank. When I come back, I find that my account is worth $1000. How many years has it been? Your answer will be a formula with a log in it .
The “loudness” of a sound is given by the formula , where is the loudness (measured in decibels), and is the intensity of the sound wave.
Solve for .
Solve for .
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