The number of fish in a lake is growing exponentially. The table shows the values, in thousands, after different numbers of years since the population was first measured. years population
0 10
1
2 40
3
4
5
6
By what factor does the population grow every two years? Use this information to fill out the table for 4 years and 6 years.
By what factor does the population grow every year? Explain how you know, and use this information to complete the table.