**Question**

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

*N* = 0.45 x 1.07^{x}

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 1.07^{x}

**[2 marks]**

b) Draw the graph of *N* = 0.45 x 1.07^{x}

**[2 marks]**

c) Use the graph to find

**the year**when the gannet population is predicted to reach 1000.**[2 marks]**