Multiple Choice
Clara's utility function is U(X, Y) = (X + 2) (Y + 1) .If Clara's marginal rate of substitution is -5 and she is consuming 15 units of good X, how many units of good Y is she consuming?
A) 5
B) 85
C) 20
D) 84
E) 11
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Ambrose's utility function is = 4x<sup>1/2</sup><sub>1</sub> +
Q2: Clara's utility function is U(X, Y)= (X
Q3: Ambrose's utility is U(x<sub>1</sub>, x<sub>2</sub>)= =4x<sup>1/2</sup><sub>1</sub>
Q5: Clara's utility function is U(X, Y)=(X +
Q6: Charlie has a utility function U(x<sub>A</sub>, x<sub>B</sub>)=x<sub>A</sub>x<sub>B</sub>,
Q7: Ambrose's utility is U(x<sub>1</sub>, x<sub>2</sub>)== 4x<sup>1/2</sup><sub>1</sub> +
Q8: Charlie's utility function is U(x<sub>A</sub>, x<sub>B</sub>)=x<sub>A</sub>x<sub>B</sub>.If Charlie's
Q9: Elmer's utility function is U(x, y)=
Q10: Elmer's utility function is U(x, y)= min{x,
Q11: Charlie has a utility function U(x<sub>A</sub>, x<sub>B</sub>)=x<sub>A</sub>x<sub>B</sub>,