To locate the percentile for a given observation in a data set, the data must be select one: a. displayed in a histogram b. sorted and listed from the minimum to the maximum values c. distributed symmetrically around the mean d. summarized in a frequency distribution

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.