Respuesta :

hehehellnaw
(a) f(e,5) = 1n(e+4)

(b) f(e,1) = 1n(e)

(c) The domain of f is all points (x,y) such that x+y>1 which is the region above the line x+y=1 in the xy-plane.

(d) The range of f is all real numbers.

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