A person invests 3000 dollars in a bank. The bank pays 5% interest compounded semi-annually. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 5200 dollars?

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