An investor plans to invest 75% of her funds in the common stock of Gamma Industries and 25% in Epsilon Company. The expected return on Gamma is 12%, and the expected return on Epsilon is 16%. The standard deviation of returns for Gamma is 8% and for Epsilon is 12%. The correlation between the returns for Gamma and Epsilon is 0.8. Determine the standard deviation of returns for this investor's portfolio

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

In new york city at the spring equinox there are 12 hours 8 minutes of daylight. the longest and shortest days of the year very by two hours and 53 minutes from the equinox in this year the equinox falls on march 21 in this task you use trigonometric function to model the hours of daylight hours on certain days of the year in new york city a.what is the independent and dependent variables? b.find the amplitude and the period of the function. c.create a trigonometric function that describes the hours of sunlight for each day of the year. d. graph the function you build in part c. e. use the function you build in part c to find out how many fewer daylight hours february 10 will have than march 21. you may look at the calendar.

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2