Diamond used a number line to add. She started counting at 10, and then she counted until she was on the number −4 on the number line. Diamond is modeling addition. You may use the number line to help you arrive at your answer. * 10 + (-4) = 6 10 + (-14) = -4 10 - 4 = 6 10 + (-6) = 4

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.