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July 31, 2014

Homework Help: ALGEBRA

Posted by ggift on Friday, September 11, 2009 at 7:04am.

THE POLITICAL NOISE PROBLEM:
The amount of background noise is important to television news reporters. One station developed the formula
N= -t2 + 12t + 54 showing the noise level in decibels (n) as it relates to the time after the speaker stops talking in seconds(t). How many seconds after the speaker stops will the noise level be the greatest? Can you explain this please??

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