Determine the set of values kkk such that the system ∣x∣≤k|x| \leq k∣x∣≤k and x2−2x−3>0x^2 - 2x - 3 > 0x2−2x−3>0 has no solution.
k<1k < 1k<1
k<3k < 3k<3
k≤−1k \leq -1k≤−1
No such kkk