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3. A fire alarm has speakers at either end of a 10 m long corridor. The...

3. A fire alarm has speakers at either end of a 10 m long corridor. The decibel noise level at a distance d from one of the alarms is given by the equation:

N = (100/d2) + (120/(10-d)2)

a. Find the distance d from the first speaker where the noise from the alarm is lowest.

b. Find the distance d from the first speaker where the noise from the alarm is the highest.

Thank you and stay safe!

Math   Calculus   
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