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Inequalitiesare used to represent unequal expressions.Graph (b)representsGraph (c)representsGraph (a)representsSubtract 7 from both sidesThe above means that:Thegraphpoints leftThegraphstarts at -4, with aclosed circleHence,graph (b)representsAdd 1 to both sidesThe above means that:Thegraphpoints rightThegraphstarts at 4, with anopen circleHence,graph (c)representsAdd 7 to both sidesThe above means that:Thegraphpoints leftThegraphstarts at 10, with anopened circleHence,graph (a)representsRead more aboutinequalitiesat:brainly.com/question/15748955...