Need help with screenshots 1 through 13 (one through thirteen). All information needed in order to answer these problems can be found below. However, if you think you need any more info, do not hesitate to comment below (letting me know). Please number your solutions. Thank you!

Evaluate the iterated integral. 3 2y SS (x2 + y ? ) dx dy -20 . . . . . 3 2y S S ( x2 + y ? ) ax dy = [ -2 0 Type an exact answer.) Help Me Solve This View an Example Textbook Next2 Find the double integral over the rectangular region R with the given boundaries. SS (x2+ 3y) dy dx; -45x54, -4sys4 R . . . . . Set up the double integral with appropriate bounds. 00 00 JJ (x2 + By) dy dx=(Simplify your answer.) R Help Me Solve This View an Example Textbook Next3 The prot from the sale of x units of radiators for automobiles and y units of radiators for generators is given by P(x,y) = -x2 - y2 + 8x + 10y. Find values of x and y that lead to a maximum prot if the rm must produce a total of 9 units of radiators. Selling :| unit(s) of radiators for automobiles and unit(s) of radiators for generators will produce a maximum prot. Help Me Solve This View an Example Textbook m 4 Find three positive numbers whose sum is 87 and whose product is a maximum. Let x be the rst number, let y be the seoond number, and let 2 be the third number. Construct f(x,y,z) and g(x,y,z), the two functional parts of the Lagrange function, F(x,y,z,)~) = f(x,y,z) it - g(x.y,z). f(x.y.z) = 90m) = The relative maximum value isf(|:|,|:l,|:D = Cl. (Simplify your answers.) Help Me Solve This View an Example Textbook 5 If labor (x) costs $238 per unit, materials (y) cost $121 per unit, and capital (2) costs $90 per unit, write a function for total cost. C(X.Y,Z) = Help Me Solve This View an Example Textbook m 6 Evaluate the double integral. .In 5 5 " dx dy . . . . . Jo Jey Iny dx dy= (Type an exact answer in simplified form.) Help Me Solve This View an Example Textbook Next\f8 Use the region R with the indicated boundaries to evaluate the double integral. [ ] 8x y dydx; Rbounded by y=x , y=4x R . . . . . Set up the double integral with appropriate bounds. 00 J J 8x y dyax = [ [ 8x3y dydx R 00 [ Sexy dy ax = R Help Me Solve This View an Example Textbook Next9 Find the relative maximum value of f(x,y) = 4xy, subject to the constraint x + 2y = 28. The relative maximum value is f( , (Simplify your answers.) Help Me Solve This View an Example Get More Help A m 10 Find fx(x,y,z), fy (x,y,z), fz(x,y,z), and fyx (x,y,z) for the following. f(x,y,z) = 3x# + 4xy -424 . . . . . fx (x,y,z) = fy ( x, y, z) = fz ( x, y, z) = fyx (x,y,z) = Help Me Solve This View an Example Textbook Next11 Find all the second-order partial derivatives of the function f(x,y) = 9x2 + 5y + 9x2y2. Help Me Solve This View an Example Get More Help A m \f13 Use the total differential to approximate the quantity. Then use a calculator to approximate the quantity, and give the absolute value of the difference in the two results. 1/ 12.062 +15.992 Set up the total differential of z. X dz= 7 ~dx+ 4 \"JV x2+y2 x2+y2 Approximate the quantity using the total differential. [12,062 +15392 a: 20.028 (Type an integer or a decimal. Do not round until the nal answer. Then round to four decimal places as needed.) Approximate the quantity using a calculator. 1[12.062 +15392 z 20028 (Type an integer or a decimal. Do not round until the nal answer. Then round to four decimal places as needed.) Find the absolute value of the difference in the two approximations, 0.0002 (Type an integer or a decimal. Do not round until the nal answer. Then round to four decimal places as needed.) Help Me Solve This View an Example Textbook