Mathematics - Functions - Exponential - Exponential growth and decay - Model with Exponentials

10 problems: (1) 'Population of 5000 growing 3% per year. Write the model.' (y=5000·1.03ˣ). (2) 'Find population after 10 years.' (3) 'Car worth $25000 depreciates 15% per year. Value after 5 years?' (4) '$1000 invested at 5% compounded annually for 20 years.' (5) 'Radioactive substance with half-li