document.write( "Question 1034815: On Monday, Lassister began monitoring the size of a bacteria colony. He noted that the mass of the colony grew from 5 grams at 8am to 6.5 grams at 2 PM.
\n" ); document.write( "a) find the value for k and write an exponential growth function that estimates the mass M of the bacteria colony t hours after 8 AM Monday.
\n" ); document.write( "b) What will the mass be at 6 PM Monday?
\n" ); document.write( "c) To the nearest hour, at what time will the mass of the growing colony reach 15 grams?\r
\n" ); document.write( "\n" ); document.write( "please explain.
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Algebra.Com's Answer #688625 by josgarithmetic(39620)\"\" \"About 
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a) find the value for k and write an exponential growth function that estimates the mass M of the bacteria colony t hours after 8 AM Monday.
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\n" ); document.write( "\n" ); document.write( "\"M=p%2Ae%5E%28kt%29\" p=5 grams, t is time in hours, k is a constant.\r
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\n" ); document.write( "\n" ); document.write( "\"ln%28M%29=ln%28p%29%2Bln%28e%5E%28kt%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"ln%28M%29=ln%28p%29%2Bkt%2A1\"\r
\n" ); document.write( "\n" ); document.write( "\"kt%2Bln%28p%29=ln%28M%29\"\r
\n" ); document.write( "\n" ); document.write( "\"kt=ln%28M%29-ln%28p%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight_green%28k=%28ln%28M%29-ln%28p%29%29%2Ft%29\"\r
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\n" ); document.write( "\n" ); document.write( "Given that M=6.5, p=5, t=6,
\n" ); document.write( "\"k=%281%2F6%29%28ln%286.5%29-ln%285%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28k=0.0437%29\"\r
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\n" ); document.write( "\n" ); document.write( "Growth model may be restated as \"M=5%2Ae%5E%280.0437t%29\".
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