Sketch the region and reverse the order of integration of

                               1    x
                              /    /
                             |    |
                             |    |   f(x, y) dy dx
                             |    |
                            /    /
                              0     2
                                   x


Answer Region:0 < x^2 < x  for 0<x<1.

                                   1/2
                             1    y
                            /    /
                           |    |
                           |    |      f(x, y) dx dy
                           |    |
                          /    /
                            0    y