Two resistors wired in parallel in an electrical circuit give an effective resistance of Question list K R(X,y) = xy xty where x and y are the positive resistances of the individual resistors (typically measured in ohms). Complete parts a through c below. Question 10 O Question 11 a. Graph the resistance function using the window [0, 10] x [0, 10] x [0,5]. Choose the correct graph below. O A . OB. O C. Question 12 -3 Question 13 Question 14Question list K What is the domain of g(x,y) = xy Question 1 Select the correct choice below and fill in any answer boxes within your choice. O Question 2 O A. {(x,y): x # andy # (Use a comma to separate answers as needed.) O B. { (x,y ): x } Question 3 (Use a comma to separate answers as needed.) OC. {( x,y ): y# (Use a comma to separate answers as needed.) Question 4 O D. R2 Question 5Question list K Sketch the graph of f(x,y) = 4x + 4y . State the domain and range of the function. Question 3 Which of the following surface graphs represents f(x,y) = 4x2+ 4y?? O A. Question 4 O B. O C. Question 5 Y Question 6 X Question 7Find the domain of the following function. Question list K h(x,y)=1x-7y+8 Question 1 Select the correct choice below and , if necessary, fill in the answer box to complete your choice. O Question 2 O A. { ( x,y ): Xz O B. { ( x, y ) : XS Question 3 O C. {(x,y): x # y} O D. {( x,y): x# and y # } (Use a comma to separate answers as needed.) O Question 4 O E. R2 Question 5Find the domain of the following function. Question list K f (x,y) =13-3x - 3y O Question 1 Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. Question 2 O A. { ( x, y ) : x + y's O B. {( x, y ): x 2 + y ? =} Question 3 O C. {( x,y ) x + y # } Question 4 O D. {(x,y): x# and y # }(Use a comma to separate answers as needed.) O E. R2 Question 5Question list K Sketch the graph of f(x,y) =4x + 3y - 12. State the domain and range of the function. O Question 1 Which of the following surface graphs represents f(x,y) = 4x + 3y -12? O A. O B. OC. N N O Question 2 (0,0,12) (0,0,12) (3,0,0) (0, -4,0) (0, -3,0) X - Question 3 (0,4,0) (-3,0,0) Question 4 y (0,0, - 12) y O Question 5Find the domain of the following function. If possible, give a description of the domain in words (for example, all points Question list K outside a sphere of radius 1 centered at the origin). Question 10 f( x, y,z) = Vx +y+2-22 Question 11 Find the domain of the function. Select the correct choice below and, if necessary, fill in the answer box to complete your choice Question 12 O A. {( x,y,z): x + y z" #}(Type an integer or a simplified fraction. Use a comma to separate answers as needed.) O B. {(x,y,z): x# }(Type an integer or a simplified fraction. Use a comma to separate answers as needed.) Question 13 O C. {( x.y.z): x2 + y" + z z }(Simplify your answer.) Question 14 O D. {(x,y,z): x3 + y" + z" = }(Simplify your answer.) OE. R3Question list K Match the graph of the function z = - x" + x#+y to the system of the level curves. O Question 5 nco Question 6 Question 7 Which of the following level curves matches the given surface graph? O A. O B. O C. Question 8 Question 9 n nunction inQuestion list K Find an equation for the family of level surfaces corresponding to f. Describe the level surfaces. 4 f ( x, y,z ) - 2 + 2 + 2 Question 12 Write an equation for the family of level surfaces where C is constant. Question 13 Question 14 Question 15 Media 1Question list Graph several level curves of the following function. K X Z = Question 6 Question 7 Draw the level curves for z = 1, z =2, z =3, and z =4. Choose the correct graph below. O A. OB. OC. OD. Question 8 O Question 9 Question 10Question list K Graph several level curves of the following function using the given window. Label at least two level curves with their z-values. Question 7 Choose the correct graph below. O A. O B. O C. OD. O Question 8 Question 9 O E. OF. Question 10 O G. OH. O Question 11 Video Textbook Ask my instructor Clear all Check answer Question 12 (0/1)Question list K Find the domain of the following function. If possible, give a description of the domain in words (for example, all points outside a sphere of radius 1 centered at the origin). Question 11 7 Q(x,y,z) = 2+x +y-+ 52 Question 12 Find the domain of the function. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. Question 13 O A. {(x, y,z): zs O B. {(x, y,z): zz Question 14 O C. {(x,y,z): x # y, y # z, z#x} O D. {(x,y,z): z# }(Use a comma to separate answers as needed.) Question 15 O E. R3 Modio 1\fsave Question list K A baseball pitcher's earned run average (ERA) is A(e,i) = 9e / i, where e is the number of earned runs given up by the pitcher and i is the number of innings pitched. Good pitchers have low ERAs. Assume that e 2 0 and i > 0 are real numbers. a. During his best season, a certain pitcher pitched a total of 195 innings and gave up just 54 earned runs. What was his ERA? O Question 8 b. Determine the ERA of a relief pitcher who gives up 2 earned runs in one-third of an inning. c. Graph the level curve A(e,i) = 2, and describe the relationship between e and i in this case. Question 9 a. The pitcher's ERA for the season was (Round to two decimal places as needed.) Question 10 O Question 11 O Question 12Question list K Find an equation for the family of level surfaces corresponding to f. Describe the level surfaces. f (x, y,z) = 1x+8z2 O Question 13 Write an equation for the family of level surfaces where C is constant. Question 14 Question 15 Media 1 O Media 2