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please show ALL work/steps 15. Clara’s utility function is U(x, y) = (x + 2)(y +...

please show ALL work/steps

15. Clara’s utility function is U(x, y) = (x + 2)(y + 1). If Clara’s marginal rate of substitution is −4 and she is consuming 10 units of good x, how many units of good y is she consuming?

a.

48

b.

14

c.

4

d.

47

e.

9
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P2 U grven hana d )-ㄧㄧㄧ ㄚ

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