EntityQ2037833· pop 27· linked from 130 articlespiecewise functionSign in to savefunction which is defined by multiple sub-functions each over its own intervalConnectionsfunctionEntitymathematicsEntityInternational Standard Book NumberEntitydigital object identifierEntityvisual perceptionEntityabsolute valueEntityintervalEntitycontinuous functionEntitycartoonEntityQ118398Entitylinear functionEntitydomain of a functionEntitymonotonic functionEntitypartition of a setEntityanalytic functionEntityMathWorldEntitydifferentiable functionEntityquadratic functionEntitysplineEntityEric W. WeissteinEntityCategoriesFunctions and mappings