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# various algebra problems in IP unit 3, 4 and 5

Mathematics, Algebra
Year 2
Please see attachment for additional questionaires. Please ask DR> SHARMA to handle this. Thanks!
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Q # 4.
The loudness of sound is based on intensity level measured in decibels using a logarithmic scale and is relative to (a ratio of) the weakest sound the ear can hear?
Research how sound is measured. Answer the following:
? The formula for measuring sound.
? Pick a specific sound, give the decibels of the sound, and explain what this measurement means.
Please be sure to cite all references using APA style

Q # 5.
Using the index of a sequence as the domain and the value of the sequence as the range, is a sequence a function?
Include the following in your answer:
? Which one of the basic functions (linear, quadratic, rational, or exponential) is related to the arithmetic sequence?
? Which one of the basic functions (linear, quadratic, rational, or exponential) is related to the geometric sequence?
? Give at least two real-life examples of a sequences or series. One example should be arithmetic, and the second should be geometric. Explain how these examples would affect you personally.

#### Solution Summary

The solution is comprised of detailed explanations of various problems in GP unit 4. It also explains how the intensity of the sound is measured. Moreover, it covers the concept which type of functions it is when using the index of sequence as the independent variables for the arithmetic sequence and geometric sequence.

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