Lani had a box that contained: 1 blue marble 1 green marble 1 purple marble 1 yellow marble 2 red marbles Lani removed one marble without looking and she recorded the result. She placed the marble back in the box and repeated the procedure one more time. What is the probability that she removed a red marble followed by a blue marble?

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.