George invested $8,720 in an account that pays 7.5% simple interest. How much additional money must be invested in an account that pays 4% simple interest so that the average return on the two investments amounts to 5%?

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.