Question: 5. Determine the set of points at which the function defined by f(I, y) = is exy - 1 continuous. 6. Demonstrate a function of

5. Determine the set of points at which the function defined by f(I, y) = is exy - 1 continuous. 6. Demonstrate a function of two variables which has a removable discontinuity at (-1, 0)

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