The population of big cats in Africa is increasing at a rate of 5% per year. At the
beginning of 2004 the population was 10 000. (a) Write down the population of
big cats in Africa at the start of 2005. (b) Find the population of big cats at the
beginning of 2010. (c) Find the number of years, from the beginning of 2004, it
will take the population of big cats to exceed 50,000.*