If $\ln 7 x y = 6 , \text { find } d y / d x$

question 117

Multiple Choice

If $\ln 7 x y = 6 , \text { find } d y / d x$

• A) \(\frac { d y } { d x } = - \frac { y } { x }\)
• B) \(\frac { d y } { d x } = - \frac { 7 y } { x }\)
• C) \(\frac { d y } { d x } = - \frac { y } { 7 x }\)
• D) \(\frac { d y } { d x } = - \frac { 7 y } { 6 x }\)
• E) \(\frac { d y } { d x } = - \frac { 6 y } { 7 x }\)

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Definitions:

Cross-Price Elasticity

A measure of how the quantity demanded of one good responds to a change in the price of another good, indicating the relationship between the two products.

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Products or services that complement each other, enhancing their value or appeal when one is used or consumed alongside the other.

Price Elasticity

A measure of how much the quantity demanded or supplied of a good changes in response to a change in its price.