Triangle RST has vertices cap r times open paren 2 comma 0 close paren , cap s times open paren 4 comma 0 close paren , and cap t times open paren 1 comma negative 3 close paren The image of triangle RST after a rotation has vertices cap r prime times open paren 0 comma negative 2 close paren , cap s prime times open paren 0 comma negative 4 close paren , and cap t prime times open paren negative 3 comma negative 1 close paren Which rule describes the transformation?