Estimate the rate of change of each function at the given point. 1W 9. f(x) = In(2x) at x = 3 8. f (x) = 7x at x= 2 State whether the situation represents a positive or negative rate of change. 10. A candy company uses pints of chocolate to make 11. The amount of money is Josh's savings account candy. The more chocolate they use, the more boxes decreases for each semester he attends college. of candy are produced. 12. As the number of cats Mr. Sullivan owns increases, 13. As the amount of water Mr. Brust drinks decreases, the number of mice in his barn decreases. the fewer trips to the restroom he needs to make. 1.2 Rates of Change 1.2 Test Prep 14. A continuous function f is defined on the closed interval -5