question 310 only

For the following exercises, find the equation of the tangent line to the graph of the given equation at the indicated point. Use a calculator or computer software to graph the function and the tangent line. 310 . [T] xy - xy' = -2, (-1, -1) 311 . [T] x2y2 + 5xy = 14, (2, 1) 312 . [T] tan (xy) = y, (", 1) 313 . [T] xy + sin (my) - 2x2 = 10, (2, -3) 314 . [T] * + 5x - 7 = -3 -Ay, (1, 2) 315 . [T] xy + sin (x) = 1, (2, 0) 316 . [T] The graph of a folium of Descartes with equation 2x3 + 2y' - 9xy = 0 is given in the