The jolliff family went on a vacation. while in vacation, they
went to a play. they bought 3 tickets at the child's price of
$21.50 and 2 tickets at the adult's price. if they spent a total
of $59.50 how much was the price of each adult ticket?

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.