Question #6415846Single Choice
Algebra-2
Question
Sound Intensity: The intensity ( I ) (in decibels) of sound varies directly as the cube of the distance ( d ) (in meters) from the source. If the sound intensity is 70 dB at 2 meters, what will it be at 4 meters?
Options
A
560 dB
B
568 dB
C
572 dB
D
574 dB