38. For the production function y = 3x₁ + 4x2 , which of the two inputs is more productive when x₁ is 1 and x₂ is 10 ?   O.  X1 O. X2 O. neither ; for this situation , they have equal marginal products O. cannot tell from the above information   39. Given the production function y = 3x₁ + 4x2 , what is the marginal rate of technical substitution of x₁ for x₂ ( MRSx1x2 ) when x₁ is 5 and x₂ is 5 ?   O. -0.75 O. -x1 / 5 O. 5 O. -5

ENGR.ECONOMIC ANALYSIS
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38. For the production function y = 3x₁ + 4x2 , which of the two inputs is more productive when x₁ is 1 and x₂ is 10 ?

 

O.  X1

O. X2

O. neither ; for this situation , they have equal marginal products

O. cannot tell from the above information

 

39. Given the production function y = 3x₁ + 4x2 , what is the marginal rate of technical substitution of x₁ for x₂ ( MRSx1x2 ) when x₁ is 5 and x₂ is 5 ?

 

O. -0.75

O. -x1 / 5

O. 5

O. -5

 

 

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