1. Joseph's utility is given by: U=X² + y² (Note that this is the equation of a circle with the center at the origin). The marginal utilities are MUX-2X and MUy=2Y. Assume that Px=10, Py=20 and m=200. Find the optimal amounts of X and Y. Show your answer on a graph.

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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### Quiz 1

1. Joseph’s utility is given by:

   \[ U = X^2 + Y^2 \]

   (Note that this is the equation of a circle with the center at the origin). The marginal utilities are \( MU_x = 2X \) and \( MU_y = 2Y \). Assume that \( P_x = 10 \), \( P_y = 20 \), and \( m = 200 \). Find the optimal amounts of \( X \) and \( Y \). Show your answer on a graph.
Transcribed Image Text:### Quiz 1 1. Joseph’s utility is given by: \[ U = X^2 + Y^2 \] (Note that this is the equation of a circle with the center at the origin). The marginal utilities are \( MU_x = 2X \) and \( MU_y = 2Y \). Assume that \( P_x = 10 \), \( P_y = 20 \), and \( m = 200 \). Find the optimal amounts of \( X \) and \( Y \). Show your answer on a graph.
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In the study of economics, the term utility can be defined as the total satisfaction or benefit that is received by a consumer from consuming a specific good or service. The economic theories that developed on the basis of the rational choice, makes an assumption that the consumers will strive towards maximising their utility. 

Utility function can be defined as the measure of welfare or satisfaction for any consumer as the function of consuming real commodities, like, food and clothing. The theory is mostly used in rational choice theory for analysing human behaviour.

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