elilugo1204 elilugo1204 08-03-2018 Mathematics contestada choose the answer that best completes the sentence. if you know a root of a function is -2 + sqrt3 , then __ A. 2 + sqrt3 is a possible root B. 2 + sqrt3 is a known root. C. -2 - sqrt3 is a possible root. D. -2 - sqrt3 is a known root.