document.write( "Question 813642: The population North Oblivion is now 1400 people and is known to double every 12 years.
\n" ); document.write( "(a) Write a function that gives the population, P(t), after t years.
\n" ); document.write( "(b) How many years will it take for the population to reach 4200? (A formula will suffice.)
\n" ); document.write( "

Algebra.Com's Answer #489841 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,
\n" ); document.write( "The population North Oblivion is now 1400 people and is known to double every 12 years.
\n" ); document.write( "\"Q%28t%29+=Q%280%29e%5E%28kt%29+\"
\n" ); document.write( "\"+2+=+e%5E%2812k%29\"
\n" ); document.write( "ln2/12 = k = .0578
\n" ); document.write( "a) \"Q%28t%29+=1400e%5E%28.0578t%29+\"
\n" ); document.write( "b) \"4200%2F1400+=+e%5E%28.0578t%29\" \n" ); document.write( "
\n" );