Question: Does the function h ( x , y ) = - 4 x 2 - 5 y 2 have global maxima o r minima? The

Does the function
h(x,y)=-4x2-5y2
have global maxima or minima?
The function has a global minimum, but no global maximum.
The function has both a global minimum and a global maximum.
The function has a global maximum, but no global minimum.
The function has no global minimum or maximum.
Does the function h ( x , y ) = - 4 x 2 - 5 y 2

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