Find the Angle Between the Two Planes $\begin{array} { l } x + y - z = 3 \\4 x - 5 y - 4 z = 5\end{array}$

question 106

Multiple Choice

Find the angle between the two planes. $\begin{array} { l } x + y - z = 3 \\4 x - 5 y - 4 z = 5\end{array}$

• A)77.7°
• B)76.7°
• C)79.7°
• D)78.7°
• E)75.7°

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Definitions:

Inverse Demand Function

A mathematical function that expresses price as a function of quantity demanded, showing the price at which consumers are willing to purchase a certain quantity of a good.

Inverse Supply

A representation of the relationship where the price of a good influences the quantity supplied, typically showing higher quantities supplied at higher prices.

Tax

Compulsory contributions to state revenue, levied by the government on workers' income and business profits or added to the cost of some goods, services, and transactions.

Demand Function

A mathematical equation that describes the relationship between the quantity of a good consumers are willing to buy and the good’s price, holding other factors constant.