Solve the problem.The radius of the circular top or bottom of a tin can with a surface area S and a height h is given by 
What radius should be used to make a can with a height of 18 inches and a surface area of 900 square inches?
A. 9 inches
B. 8 inches
C. 24 inches
D. 6 inches
Answer: D
Mathematics
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Find all the local maxima, local minima, and saddle points of the function.
A. f(-7, 3) = -62, local minimum B. f(-7, -3) = -26, saddle point C. f(7, -3) = 170, local maximum D. f(7, 3) = 134, saddle point
Mathematics
Solve the problem.Find a parametrization for the ellipsoid 
+ 
+ 
= 1. (Recall that the parametrization of an ellipse 
+ 
= 1 is x = 8 cos ?, y = 9 sin ?, 0 ? ? < 2?).
What will be an ideal response?
Mathematics
Complete the sentence.The absolute value of -89 is _____.
A. 0 B. 89 C. -178 D. -89
Mathematics
Perform the indicated operation or operations. - 
- 
A. - 
B. - 
C. - 
D. 
Mathematics