Answers here should be as simple and non-technical as you can make them. It might be helpful to glance at the questions here and, if you are unable to solve them immedi- ately, complete them after the computation section. For the true/false questions, you do not need to justify your answers. 1. Explain what it intuitively means for function f(x,y) to be continuous in some domain D. 2. Consider the function below and the point (x, y, z) shaded in red. Is fx positive, negative, or zero? What about fy?