Evaluate $f _ { x }$ And $f _ { y }$

question 62

Multiple Choice

Evaluate $f _ { x }$ and $f _ { y }$ for the function $f ( x , y ) = 7 x ^ { 3 } + x y - y ^ { 3 }$ at the point $( 4 , - 6 )$ .

• A) \(f _ { x } ( 4 , - 6 ) =\) 330 and \(f _ { y } ( 4 , - 6 ) =\) -132
• B) \(f _ { x } ( 4 , - 6 ) =\) 360 and \(f _ { y } ( 4 , - 6 ) =\) -104
• C) \(f _ { x } ( 4 , - 6 ) =\) 330 and \(f _ { y } ( 4 , - 6 ) =\) -104
• D) \(f _ { x } ( 4 , - 6 ) =\) 546 and \(f _ { y } ( 4 , - 6 ) =\) 344
• E) \(f _ { x } ( 4 , - 6 ) =\) 330 and \(f _ { y } ( 4 , - 6 ) =\) 112

Understand how to calculate a firm's after-tax cost of debt.

Learn how to determine a firm's weighted average cost of capital (WACC).

Grasp the concept of the cost of equity and how it is affected by dividend growth rates and market conditions.

Comprehend the importance and computation of the cost of preferred stock.

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