Practice problem
Solve ∣x+4∣≥2|x+4|\geq2∣x+4∣≥2.
(−∞,−6]∪[−2,∞)(-\infty,-6]\cup[-2,\infty)(−∞,−6]∪[−2,∞)
(−∞,−6)∪(−2,∞)(-\infty,-6)\cup(-2,\infty)(−∞,−6)∪(−2,∞)
[−6,−2][-6,-2][−6,−2]
(−6,−2)(-6,-2)(−6,−2)
Type a concept, like “slope” or “photosynthesis”.
