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​Q21: Question – Paper 4 – November 2018
Question

21) The number of gannets on an island is assumed to follow this exponential growth model.

 

N = 0.45 x 1.07x

 

N is the number of gannets, in thousands.

x is the number of years after 1st January 2010.

 

a) Complete the table for N = 0.45 x 1.07x

[2 marks]
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b) Draw the graph of N = 0.45 x 1.07x

[2 marks]
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c) Use the graph to find the year when the gannet population is predicted to reach 1000. 
[2 marks]