Directional Derivatives and the Gradient ca Tumed in automaticaly ITEMS INFO 9. Practice simulat Help mewith this The concentration of sale in a fluid at (2,3. =) is given by Fr.y. =) = 2x + 3y + 2+2 mg/em? You are at the point (1.-11) (a) in which direction should you move if you want the concentration to increase the fastest? direction: (Give your mur atat victor) (b) You start to mewe in the direction you found in part (a) at a speed of 5 cm/sec. How far is the concentration changing tate of change- Submit answer Answers in progress) Answer Score 0/2 more Cookies help us deliver out tyg our services to our use of cookies TO o Tyros 3