Problem 1E: If f(x,y)=x2y/2xy2 , find (a) f(1,3) (b) f(2,1) (c) f(x+h,y) (d) f(x,x) Problem 2E: If g(x,y)=xsiny+ysinx , find (a) g(,0) (b) g(/2,/4) (c) g(0,y) (d) g(x,y+h) Problem 3E Problem 4E Problem 5E: Let F(x,y,z)=yx2z . (a) Evaluate F(3,4,1) . (b) Find and describe the domain of F . Problem 6E: Let f(x,y,z)=lnzx2+y2 . (a) Evaluate f(4,3,6) . (b) Find and describe the domain of f . Problem 7E: Find and sketch the domain of the function. 7. f(x,y)=x2+y1 Problem 8E: Find and sketch the domain of the function. 8. f(x,y)=x3y4 Problem 9E: Find and sketch the domain of the function. 9. q(x,y)=x+44x2y2 Problem 10E: Find and sketch the domain of the function. 10. g(x,y)=lnx2+y29 Problem 11E: Find and sketch the domain of the function. 11. g(x,y)=xyx+y Problem 12E: Find and sketch the domain of the function. 12. g(x,y)=ln(2x)1x2y2 Problem 13E: Find and sketch the domain of the function. 13. p(x,y)=xyx+1 Problem 14E: Find and sketch the domain of the function. 14. f(x,y)=sin1(x+y) Problem 15E Problem 16E: Find and sketch the domain of the function. 16. f(x,y,z)=ln164x24y2z2 Problem 17E: A model for the surface area of a human body is given by the function S = f(w, h) =... Problem 18E Problem 19E Problem 20E: The temperature-humidity index I (or humidex, for short) is the perceived air temperature when the... Problem 21E Problem 22E: A company makes three sizes of cardboard boxes: small, medium, and large. It costs 2.50 to make a... Problem 23E: Sketch the graph of the function. 23. f(x,y)=y Problem 24E: Sketch the graph of the function. 24. f(x,y)=x2 Problem 25E: Sketch the graph of the function. 25. f(x,y)=104x5y Problem 26E: Sketch the graph of the function. 26. f(x,y)=cosy Problem 27E: Sketch the graph of the function. 27. f(x,y)=sinx Problem 28E: Sketch the graph of the function. 28. f(x,y)=2x2y2 Problem 29E: Sketch the graph of the function. 29. f(x,y)=x2+4y2+1 Problem 30E: Sketch the graph of the function. 30. f(x,y)=4x2+y2 Problem 31E: Sketch the graph of the function. 31. f(x,y)=44x2y2 Problem 32E: Match the function with its graph (labeled IVI). Give reasons for your choices. (a)f(x,y)=11+x2+y2... Problem 33E: A contour map for a function f is shown. Use it to estimate the values of f(3, 3) and f(3, 2). What... Problem 34E Problem 35E: Level curves (isothermals) are shown for the typical water temperature (in C) in Long Lake... Problem 36E: Two contour maps are shown. One is for a function f whose graph is a cone. The other is for a... Problem 37E: Locate the points A and B on the map of Lonesome Mountain (Figure 12). How would you describe the... Problem 38E: Make a rough sketch of a contour map for the function whose graph is shown. Problem 39E: The body mass index (BMI) of a person is defined by B(m,h)=mh2 where m is the persons mass (in... Problem 40E: The body mass index is defined in Exercise 39. Draw the level curve of this function corresponding... Problem 41E: A contour map of a function is shown. Use it to make a rough sketch of the graph of f. 41. Problem 42E: A contour map of a function is shown. Use it to make a rough sketch of the graph of f. 42. Problem 43E: A contour map of a function is shown. Use it to make a rough sketch of the graph of f. 43. Problem 44E: A contour map of a function is shown. Use it to make a rough sketch of the graph of f. 44. Problem 45E: Draw a contour map of the function showing several level curves. 45. f(x, y) = x2 y2 Problem 46E: Draw a contour map of the function showing several level curves. 46. f(x, y) = xy Problem 47E: Draw a contour map of the function showing several level curves. 47. f(x,y)=x+y Problem 48E: Draw a contour map of the function showing several level curves. 48. f(x, y) = ln(x2 + 4y2) Problem 49E: Draw a contour map of the function showing several level curves. 49. f(x, y) = yex Problem 50E: Draw a contour map of the function showing several level curves. 50. f(x, y) = y arctan x Problem 51E: Draw a contour map of the function showing several level curves. 51. f(x,y)=x2+y23 Problem 52E: Draw a contour map of the function showing several level curves. 52. f(x, y) = y/(x2 + y2) Problem 53E: Sketch both a contour map and a graph of the function and compare them. 53. f(x, y) = x2 + 9y2 Problem 54E: Sketch both a contour map and a graph of the function and compare them. 54. f(x,y)=369x24y2 Problem 55E: A thin metal plate, located in the xy-plane, has temperature T(x, y) at the point (x, y). Sketch... Problem 56E: If V(x, y) is the electric potential at a point (x, y) in the xy-plane, then the level curves of V... Problem 57E Problem 58E Problem 59E Problem 60E: Graph the function using various domains and viewpoints. If your software also produces level... Problem 61E: Match the function (a) with its graph (labeled AF below) and (b) with its contour map (labeled IVI).... Problem 62E: Match the function (a) with its graph (labeled AF below) and (b) with its contour map (labeled IVI).... Problem 63E: Match the function (a) with its graph (labeled AF below) and (b) with its contour map (labeled IVI).... Problem 64E: Match the function (a) with its graph (labeled AF below) and (b) with its contour map (labeled IVI).... Problem 65E: Match the function (a) with its graph (labeled AF below) and (b) with its contour map (labeled IVI).... Problem 66E: Match the function (a) with its graph (labeled AF below) and (b) with its contour map (labeled IVI).... Problem 67E Problem 68E: Describe the level surfaces of the function. 68. g(x,y,z)=x+y2z2 Problem 69E Problem 70E Problem 71E: Describe how the graph of g is obtained from the graph of f. 71. (a) g(x, y) = f(x, y) + 2 (b) g(x,... Problem 72E: Describe how the graph of g is obtained from the graph of f. 72. (a) g(x, y) = f(x 2, y) (b) g(x,... Problem 73E Problem 74E Problem 75E Problem 76E Problem 77E: Investigate the family of functions f(x,y)=ecx2+y2. How does the shape of the graph depend on c? Problem 78E Problem 79E Problem 80E: Graph the functions f(x,y)=x2+y2 f(x,y)=ex2+y2 f(x,y)=lnx2+y2 f(x,y)=sin(x2+y2) and f(x,y)=1x2+y2 In... Problem 81E format_list_bulleted