1. helene’s credit card has an apr of 16.8%. she never pays her balance in full, so she always pays a finance charge. her next billing cycle starts today. the billing period is 30 days. today’s balance is $712.04. she is only going to use the credit card this month to make a $5,000 down payment on a new car

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.