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(Solved): Evaluate the function at the given values of the independent variables. Simplify the results. f(x,y) ...
Evaluate the function at the given values of the independent variables. Simplify the results.
f(x,y)=4x^(2)-9y(a)
(f(x+\Delta x,y)-f(x,y))/(\Delta x),\Delta x!=0(b)
(f(x,y+\Delta y)-f(x,y))/(\Delta y),\Delta y!=0