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consider a quasi-linear utility function: U(x, y) = lnx + y. Show that the MRS is...

consider a quasi-linear utility function: U(x, y) = lnx + y. Show that the MRS is the same on all indifference curves at a given x. Illustrate your result in a suitable diagram.

please show all steps, so I can better understand how you reached your final answer.

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