Question 1) Define the following terms using graphs or equations to illustrate y

Question 1) Define the following terms using graphs or equations to illustrate your answers wherever feasible:a) Portfolio; feasible set; efficient portfolio; efficient frontierb) Indifference curve; optimal portfolioc) Capital Asset Pricing Model (CAPM); Capital Market Line (CML)d) Characteristic line; beta coefficient be) Arbitrage Pricing Theory (APT)Question 2 Security A has an expected rate of return of 6% a standard deviation of returns of 30% a correlation coefficient with the market of -0.25 and a beta coefficient of -0.5. Security B has an expected return of 11% a standard deviation of returns of 10% a correlation with the market of 0.75 and a beta coefficient of 0.5. Which security is more risky? Why?