Solve the Problem $f ( x , y ) = e ^ { x y }$

question 40

Multiple Choice

Solve the problem.
-Find the derivative of the function $f ( x , y ) = e ^ { x y }$ at the point $( 0 , - 6 )$ in the direction in which the function decreases most rapidly.

• A) -12
• B) -18
• C) -7
• D) -6

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