3. The Cobb-Douglas production function F(x) = 0.2ln(x1) + 0.8ln(x2) is subject to dimin- ishing marginal productivity for input r2 around the point (1, 1).

ENGR.ECONOMIC ANALYSIS
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ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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Question 2
For each of the following assertions, first state whether it is true or false. Then, provide full
support for your statement by using theorems, definitions and/or examples where applicable.
No marks will be awarded for unsupported statements.
1. The function f(x, y, z) =l+3z + x² is a linear function.
2. If lim xn = 1 and lim yn = 0, then it is possible to formally prove that lim(xn – Yn) = 1.
3. The Cobb-Douglas production function F(x)
0.2ln(x1) + 0.8ln(x2) is subject to dimin-
%3D
ishing marginal productivity for input r2 around the point (1, 1).
4. Given that the function g(u, v) is an onto function, if f(g(u, v)) = h(u, v), then it logically
follows that h(u, v) is always onto.
5. f(x) = x* is a one-to-one function on the subset of its domain where (-5 <x < -1).
Transcribed Image Text:Question 2 For each of the following assertions, first state whether it is true or false. Then, provide full support for your statement by using theorems, definitions and/or examples where applicable. No marks will be awarded for unsupported statements. 1. The function f(x, y, z) =l+3z + x² is a linear function. 2. If lim xn = 1 and lim yn = 0, then it is possible to formally prove that lim(xn – Yn) = 1. 3. The Cobb-Douglas production function F(x) 0.2ln(x1) + 0.8ln(x2) is subject to dimin- %3D ishing marginal productivity for input r2 around the point (1, 1). 4. Given that the function g(u, v) is an onto function, if f(g(u, v)) = h(u, v), then it logically follows that h(u, v) is always onto. 5. f(x) = x* is a one-to-one function on the subset of its domain where (-5 <x < -1).
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