Determine the value of kkk such that f(x)=x3+kx2+3x+1f(x) = x^3 + kx^2 + 3x + 1f(x)=x3+kx2+3x+1 has exactly one critical point.
k=3k = 3k=3
k=2k = 2k=2
k=±3k = \pm 3k=±3
k=0k = 0k=0