5. If you invest $1000 into an account that grows 5% per year. How much money do you have in the account after 10 years? 6. The starting salary of a software engineer at Google Inc. is $160,000 per year. Each year, the engineer gets a 6% raise in salary. a) Find a function to model the salary of the software engineer after t years. b) Find the salary of the Google software engineer after 10 years working for Google. c} When will the salary of a Google software engineer reach $300,000? 7. A population of bacteria with initial population of 10 triples every hour. a) Find a function that model the bacteria population after 1 hours. b} Find the bacteria population after 24 hours