Find solution to initial value problem: y'' +4y' +7y = 0; y(0) = 1, y'(0) = -2

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

What is the definition of exponential decay?

Combine the information in the problem and the chart using the average balance method to solve the problem.