There are 7 tigers at the zoo. each year, the number of tigers increases by 10%. there are 15 eagles at the zoo. each year, 2 new eagles join the zoo.

part a: write functions to represent the number of tigers and eagles at the zoo throughout the years. (4 points)

part b: how many tigers are at the zoo after 10 years? how many eagles are at the zoo after the same number of years? (2 points)

part c: after approximately how many years is the number of tigers and eagles the same? justify your answer mathematically. (4 points)