Plz explain and give Refrence to given questions

PART 1: a. Explain each of the six economic functions of government and provide at least one example for each function. b. Briefly describe what would happen if government did not perform this function. c. Explain the AD/AS model. How does it affect government policy choices and how does it incorporates growth unemployment & inflation. d. How does government budgetary and monetary policy influence the overall levels of employment, output & prices