Ralph Chase plans to sell a piece of property for $160000. He wants the money to be off in two ways a short-term note at 9% interest and a long-term paid note at 7% interest. What is the amount of each note if the total annual interest paid is $13000?

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis