2. Find y for vy =3+ vx . (4 points) dx O X O O x O when x = 2 and y = 1. Round your answer to two decimal places. Use the hyphen symbol, -, for negative values. (4 points) 3. If 5x2 + y4 = -9 then evaluate dy dx25. Find the slope of the graph of the relation y - xy = -6 at the point (7, 2). (4 points) O OIN O O O