Gerry has a piece of poster board that is 3 feet wide. He wants to draw columns on the poster board so that each column is 1/6 of a foot wide.
How many columns can Gerry draw on the poster board?

A.2
B.3
C.6
D.9
E.18

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.