The intensity of a sound is given by =1,10° ", where L is the loudness of the sound as measured in decibels and , is the minimum intensity detectable by the human ear. a) Find I, in terms of I, for the loudness of a small engine, which is 70 decibels. %3D b) Find I, in terms of lo, for the loudness of a quiet sound, which is 30 decibels. c) Compare your answers to parts (a) and (b). d) Find the rate of change dl/dL. e) Interpret the meaning of dl/dL. .... a) I = l0 (Type your answer using exponential notation.)

The intensity of a sound is given by =1,10° ", where L is the loudness of the sound as measured in decibels and , is the minimum intensity detectable by the human ear. a) Find I, in terms of I, for the loudness of a small engine, which is 70 decibels. %3D b) Find I, in terms of lo, for the loudness of a quiet sound, which is 30 decibels. c) Compare your answers to parts (a) and (b). d) Find the rate of change dl/dL. e) Interpret the meaning of dl/dL. .... a) I = l0 (Type your answer using exponential notation.)

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter3: Polynomial Functions

Section3.5: Mathematical Modeling And Variation

Problem 6ECP: The resistance of a copper wire carrying an electrical current is directly proportional to its...

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