lgeserick lgeserick
  • 13-08-2016
  • Mathematics
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a cell phone carrier charges flat fee 40 dollars total cost talking 20 minutes 41 dollars what is the rate of change of the cost per minute

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TripleThreatRM
TripleThreatRM TripleThreatRM
  • 13-08-2016
2 dollars per minute? The question isn't really very clear...
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bensonj3751
bensonj3751 bensonj3751
  • 14-08-2016
0.05 per minute you can just divide 1 by 20 to find it
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