Earl Ezekiel wants to retire in San Diego when he is 65 years old. Earl is now 53. He believes he will need $390,000 to retire comfortably. To date, Earl has set aside no retirement money. Assume Earl gets 6% interest compounded semiannually.

How much must Earl invest today to meet his $390,000 goal? (Use the Table provided.) (Do not round intermediate calculations. Round your answer to the nearest dollar amount.)

Is there a direction u in which the rate of change of f(x, y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.