Find all integer values of kkk such that the inequality x2+kx+4>0x^2 + kx + 4 > 0x2+kx+4>0 holds for all xxx.
{−4,−3,−2,−1,0,1,2,3,4}\{-4, -3, -2, -1, 0, 1, 2, 3, 4\}{−4,−3,−2,−1,0,1,2,3,4}
{−3,−2,−1,0,1,2,3}\{-3, -2, -1, 0, 1, 2, 3\}{−3,−2,−1,0,1,2,3}
{−4,4}\{-4, 4\}{−4,4}
None