Minimize Q = 2x2 + 2y2 , where x +y = 10 .
What will be an ideal response?
x = 5; y = 5; minimum = 100
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Use a calculator to evaluate the expression. (Round your answer to three decimal places.)
A. 9.2 × 10-4 B. 1.356 × 10 -3 C. 1.84 × 10-3 D. 1.356 × 100 E. 9.2 × 100?
Find the partial derivative of the dependent variable or function with respect to each of the independent variables.z = xye-y
A. 
= ye-y; 
= xe-y
B. 
= ye-y; 
= - xye-y
C. 
= ye-y; 
= xe-y(y - 1)
D. 
= ye-y; 
= xe-y(1 - y)
Arrange in order from smallest to largest.0.072, 0.027, 0.022, 0.077
A. 0.022, 0.077, 0.027, 0.072 B. 0.022, 0.027, 0.072, 0.077 C. 0.077, 0.072, 0.027, 0.022 D. 0.022, 0.072, 0.027, 0.077
Use a calculator to find the function value to four decimal places.cot (2.27)
A. -1.5537 B. -0.8409 C. -1.1892 D. -0.6436