Use synthetic division to decide whether the given number k is a zero of the given polynomial function If it is not give the value of f k f x x3 5x 3x 3 k 1 i Is 1 i a zero of the function Select the correct choice below and if necessary fill in th answer box to complete your choice The given k is not a zero of the polynomial function f 1 i Simplify your answer Express complex numbers in terms of i B The given k is a zero of the polynomial function O A