If the derivative dx dy dx instead of exists at a point and = = 0,...

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If the derivative dx dy dx instead of exists at a point and = = 0, then the tangent line at that point is vertical. 3.8 (1) dy dx Find the points on the graph where the tangent line to the curve (x 6) (x + y) = 7x is vertical. - Give your answers as coordinates in the form (x, y) separated by commas. Do not round any values. coordinates: If the derivative dx dy dx instead of exists at a point and = = 0, then the tangent line at that point is vertical. 3.8 (1) dy dx Find the points on the graph where the tangent line to the curve (x 6) (x + y) = 7x is vertical. - Give your answers as coordinates in the form (x, y) separated by commas. Do not round any values. coordinates: