g A group of 100 Americans completed a questionnaire that measured their belief that the world is fair and just. A low score on the questionnaire indicated a belief that the world is unjust and a high score indicated a belief that the world is just. A group of 100 Europeans completed that same questionnaire. Is there a difference in the mean just world belief of Americans and Europeans

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.