For a risk-free return rate of 5%, a market risk premium of 6%, what is the required rate of return for a security with a beta coefficient of 1.5? 5% 9% 14% cannot be determined -Select- 2. Changing the risk-free return (inflation) Changes neither the y-intercept nor the slope of the security market line Changes only the y-intercept of the security market line Changes only the slope of the security market line Changes both the y-intercept and the slope of the security market line -Select- 3. Changing the market risk premium Changes neither the y-intercept nor the slope of the security market line Changes only the y-intercept of the security market line Changes only the slope of the security market line Changes both the y-intercept and the slope of the security market line -Select- 4. True or False: If a company's beta doubles, its required return doubles. True False