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The Vertical Line Test

PHOTO BY SEAN SPRAGUE AND RON ASULIN

THE VERTICAL LINE TEST IS AN INVITED PERFORMANCE FOR THE LIVE PERFORMANCE EVENT, SWEPT AWAY: LOVE LETTER TO A SURROGATE, ORGANIZED BY WARREN NEIDICH, RENÉE PETROPOULOS, AND ANURADHA VIKRAM. PRESENTED BY 18TH STREET ARTS CENTER WITH SUPPORT FROM THE CITY OF SANTA MONICA ART OF RECOVERY PROGRAM AND THE ANNENBERG COMMUNITY BEACH HOUSE.

FUNCTION, IN MATHEMATICS, IS AN EXPRESSION, RULE, OR LAW THAT DEFINES A RELATIONSHIP BETWEEN ONE VARIABLE (THE INDEPENDENT VARIABLE) AND ANOTHER VARIABLE (THE DEPENDENT VARIABLE). THE VERTICAL LINE TEST IS A METHOD THAT IS USED TO DETERMINE WHETHER A GIVEN RELATION IS A FUNCTION OR NOT. I AM WATER, “THE X” AND YOU ARE “Y”. IF I AM UNDER THE X AXIS AND YOU ARE ABOVE THE X AXIS, CAN WE BE A FUNCTION? IF I AM THE HERE AT THE Y AXIS AND IF YOU ARE THERE AT THE X AXIS, CAN US BE A FUNCTION? IF I, THE X, IS YOU, THE Y, IS IT A FUNCTION? THE PERFORMANCE, THE VERTICAL LINE TEST, SEEKS TO EXPAND ONE’S BODY VERTICALLY AND HORIZONTALLY IN A CONCEPTUAL GRAPH OF A FUNCTION TO DUPLICATE THE SINGULAR “I” INTO MULTIPLE WHICH BLURS THE BOUNDARY BETWEEN YOU AND I.