0 Question 8 V B 0/10 pts '0 100 (0 Details Find the direction in which the maximum rate of change occurs for the function f(a:, y) = 3a: sin(a:y) at the point (1,2). Give your answer as a unit vector. Round to 4 decimal places. 0 Question 6 ' l3 0/10 pts '0 100 (0 Details 9: Find the linear approximation to the equation an, y) = 5 (1: at the point (6.8,10), and use it to approximate f(6.11, 8.12) mm a Make sure your answer is accurate to at least three decimal places. or give an exact