The points at which functions have local extrema, values of any extrema, and saddle points if the provided function is f ( x , y ) = x 2 − y 2 − 2 x + 4 y − 7 .

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Chapter 14.3, Problem 13E

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To calculate: The points at which functions have local extrema, values of any extrema, and saddle points if the provided function is f(x,y)=x2−y2−2x+4y−7.

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