Given the saving function S = 0.35Y + i ; S_Y = \frac{{\partial S}} {{\partial Y}} is?

• A) 0.35
• B) 1.35
• C) 1
• D) 1/0.35

Which of the following is the total differential of U = f(x_1 ,x_2 )?

• A) dU = U_1 .dx_1 + U_2 .dx_2
• B) U_1 .dx_1 = U_2 .dx_2
• C) dU = U_1 .dx_1 /U_2 .dx_2
• D) dU = U_1 + U_2

Cross partial derivative of the function; MP_M = (\ln K).(\ln L) with respect to (\ln L) is:

• A) (\ln L)
• B) (\ln L) + (\ln M)
• C) (\ln K)
• D) (\ln M)

F(U,x_1 ,x_2 ) = 0 shows:

• A) Cubic function
• B) Cubic function
• C) Quadratic function
• D) Implicit function

Given the saving function S = 0.20Y + 3i; S_i = \frac{{\partial S}} {{\partial i}} is:

• A) 0.20
• B) 3.20
• C) 3
• D) 3/0.20

Which of the following shows the differential of y = f(x) = Ax^\alpha + \beta ?

• A) dy = \alpha Ax^{\alpha - 1} .dx
• B) dy = (\alpha + \beta )Ax^{\alpha - 1} .dx
• C) dx = \alpha Ax^{\alpha - 1} .dy
• D) dy = \beta Ax^{\beta - 1} .dx

F(Q,K,L) = 0 shows:

• A) Cubic function
• B) Cost function
• C) Implicit function
• D) Quadratic function

\begin{gathered} y = f(g(x)) \hfill \\ \frac{{dy}} {{dx}} = \frac{d} {{dx}}\{ f(g(x))\} = f'(g(x)).g'(x) \hfill \\\ \end{gathered} Given the above expression; f' represents:

• A) Outside function
• B) Inside function
• C) Derivative of outside function
• D) Derivative of inside function

Which of the following shows the differential of y = f(x) = 4x^2 + 20 ?

• A) dx = (8x).dy
• B) dy = (8x).dx
• C) dy(8x) = dx
• D) dy + dx = (8x)

f'(x) shows the:

• A) Third derivative of the function y = f(x)
• B) Second derivative of the function y = f(x)
• C) Fourth derivative of the function y = f(x)
• D) First derivative of the function y = f(x)

Which of the following is the total differential of \[ U = f(x_1 ,x_2 ) \]?

• A) \[ dU = U_1 .dx_1 /U_2 .dx_2 \]
• B) \[ dU = U_1 + U_2 \]
• C) \[ dU = U_1 .dx_1 + U_2 .dx_2 \]
• D) \[ U_1 .dx_1 = U_2 .dx_2 \]

Given the Cobb-Douglas production function;\[ Q = AK^\alpha L^\beta \] K represents:

• A) Labor
• B) Constant
• C) Capital
• D) Output

Which of the following shows the indirect effect of the function \[ y = f(g(w),w) \] ?

• A) \[ x = g(w) \]
• B) \[ y = f(w) \]
• C) \[ y = f(g(w)) \]
• D) \[ y = f(x,w) \]

\[ \begin{gathered} y = f(g(x)) \hfill \\ \frac{{dy}} {{dx}} = \frac{d} {{dx}}\{ f(g(x))\} = f'(g(x)).g'(x) \hfill \\\ \end{gathered} \] Given the above expression; \[ g'(x) \] represents:

• A) Outside function
• B) Derivative of inside function
• C) Inside function
• D) Derivative of outside function

Given the Cobb-Douglas production function;Q = AK^\alpha L^\beta Q represents:

• A) Constant
• B) Labor
• C) Output
• D) Capital

\begin{gathered} y = f(g(x)) \hfill \ \frac{{dy}} {{dx}} = \frac{d} {{dx}}\{ f(g(x))\} = f'(g(x)).g'(x) \hfill \\\ \end{gathered} Given the above expression; g(x) represents:

• A) Outside function
• B) Inside function
• C) Derivative of inside function
• D) Derivative of outside function

Given the saving function \[ S = 0.35Y + i \] ; \[ S_Y = \frac{{\partial S}} {{\partial Y}} \] is?

• A) 0.35
• B) 1/0.35
• C) 1
• D) 1.35

\[ \begin{gathered} y = f(g(x)) \hfill \ \frac{{dy}} {{dx}} = \frac{d} {{dx}}\{ f(g(x))\} = f'(g(x)).g'(x) \hfill \\\ \end{gathered} \] Given the above expression; \[ g(x) \] represents:

• A) Outside function
• B) Derivative of outside function
• C) Inside function
• D) Derivative of inside function

Which of the following shows the differential of \[ y = f(x) = 4x^2 + 20 \] ?

• A) \[ dy = (8x).dx \]
• B) \[ dy(8x) = dx \]
• C) \[ dx = (8x).dy \]
• D) \[ dy + dx = (8x) \]

Which of the following shows the differential of \[ y = f(x) = 3x + 2 \] ?

• A) \[ dy = (3 + x).dx \]
• B) \[ dy = (2 + 3).dx \]
• C) \[ dy = (3).dx \]
• D) \[ dx = (\frac{1} {3}).dy \]