Chad invests $12,000 at a 5% annual interest rate, compounded annually. Write a function A ( t ) that finds

Chad invests $12,000 at a 5% annual interest rate, compounded annually. Write a function A ( t ) that finds the amount Chad has in his account after t years. Explain what the y-intercept represents. Describe the end behavior of the graph of A ( t ) as t increases.