Directions: Find all points (x, y) where ƒ(x, y) has a possible relative maximum, minimum, or saddle point. f(x) = −3x² + 7xy − 4y² +x+y Answer: Answer Format • If the function does not have any such points, enter NONE. • If there is more than one point, type your answer as a comma separated list. For example: (a1, b₁), (a2, b₂)

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