document.write( "Question 778524: 2) The number of fish in a pond, at one year intervals, is given in the table:
\n" ); document.write( "Time(years) 1 2 3 4
\n" ); document.write( "Number 34 60 78 84
\n" ); document.write( "After graphing the data, Brigitte determines that the function
\n" ); document.write( "Y=34.44 + 85.66 log10 x would accurately model the data, as the r2 value was 0.992.
\n" ); document.write( "a) Define the variables that Brigitte has used.
\n" ); document.write( "b) Verify that Brigitte’s model gives reasonable values for the fish population.
\n" ); document.write( "Another student, Louise , claims that a cubic function would more accurately model the data.
\n" ); document.write( "c) Why would she have chosen a cubic function?
\n" ); document.write( "d) Find the cubic model, with coefficients correct to 2 decimal places, and the r2 value.
\n" ); document.write( "e) Which model would be more suitable for long term modelling of the fish population? Justify your answer!
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #474770 by psbhowmick(878) $\"\"$ $\"About$

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