Problem 310E: For the following exercises, find all critical points. 310. f(x,y)=1+x2+y2 Problem 311E: For the following exercises, find all critical points. 311. f(x,y)=(3x2)2+(y4)2 Problem 312E: For the following exercises, find all critical points. 312. f(x,y)=x4+y416xy Problem 313E: For the following exercises, find all critical points. 313. f(x,y)=15x33xy+15y3 Problem 314E: For the following exercises, find the critical points of the function by using algebraic techniques... Problem 315E: For the following exercises, find the critical points of the function by using algebraic techniques... Problem 316E: For the following exercises, find the critical points of the function by using algebraic techniques... Problem 317E: For the following exercises, find the critical points of the function by using algebraic techniques... Problem 318E: For the following exercises, use the second derivative test to identify any critical points and... Problem 319E: For the following exercises, use the second derivative test to identify any critical points and... Problem 320E: For the following exercises, use the second derivative test to identify any critical points and... Problem 321E: For the following exercises, use the second derivative test to identify any critical points and... Problem 322E: For the following exercises, use the second derivative test to identify any critical points and... Problem 323E: For the following exercises, use the second derivative test to identify any critical points and... Problem 324E: For the following exercises, use the second derivative test to identify any critical points and... Problem 325E: For the following exercises, use the second derivative test to identify any critical points and... Problem 326E: For the following exercises, use the second derivative test to identify any critical points and... Problem 327E: For the following exercises, use the second derivative test to identify any critical points and... Problem 328E: For the following exercises, use the second derivative test to identify any critical points and... Problem 329E: For the following exercises, use the second derivative test to identify any critical points and... Problem 330E: For the following exercises, use the second derivative test to identify any critical points and... Problem 331E: For the following exercises, use the second derivative test to identify any critical points and... Problem 332E: For the following exercises, use the second derivative test to identify any critical points and... Problem 333E: For the following exercises, use the second derivative test to identify any critical points and... Problem 334E: For the following exercises, use the second derivative test to identify any critical points and... Problem 335E: For the following exercises, use the second derivative test to identify any critical points and... Problem 336E: For the following exercises, use the second derivative test to identify any critical points and... Problem 337E: For the following exercises, use the second derivative test to identify any critical points and... Problem 338E: For the following exercises, use the second derivative test to identify any critical points and... Problem 339E: For the following exercises, use the second derivative test to identify any critical points and... Problem 340E: For the following exercises, use the second derivative test to identify any critical points and... Problem 341E: For the following exercises, determine the extreme values and the saddle points. Use a CAS to graph... Problem 342E: For the following exercises, determine the extreme values and the saddle points. Use a CAS to graph... Problem 343E: For the following exercises, determine the extreme values and the saddle points. Use a CAS to graph... Problem 344E: Find the absolute extrema of the given function on the indicated closed and bounded set R. 344. f(x.... Problem 345E: Find the absolute extrema of the given function on the indicated closed and bounded set R. 344.... Problem 346E: Find the absolute extrema of the given function on the indicated closed and bounded set R. 346.... Problem 347E: Find the absolute extrema of the given function on the indicated closed and bounded set R. 347.... Problem 348E: Find three positive numbers the sum of which is 27, such that the sum of their squares is as small... Problem 349E: Find the points on the surface x2yz=5that are closest to the origin. Problem 350E: Find the maximum volume of a rectangular box with three faces in the coordinate planes and a vertex... Problem 351E: The sum of the length and the girth (perimeter of a cross-section) of a package carried by a... Problem 352E: A cardboard box without a lid is to be made with a volume of 4 ft3. Find the dimensions of the box... Problem 353E: Find the point on the surface f(x,y)=x2+y2+10 nearest the plane x+2yz=0 . Identify the point on the... Problem 354E: Find the point in the plane 2xy+2z=16 that is closest to the origin. Problem 355E: A company manufactures two types of athletic shoes: jogging shoes and cross-trainers. The total... Problem 356E: A shipping company handles rectangular boxes provided the sum of the length, width, and height of... Problem 357E: Find the maximum volume of a cylindrical soda can such that the sum of its height and circumference... format_list_bulleted