Enter your answer using inequality notation. Example: 3 <= y < 4 Use or to combine intervals. Example: y < 2 or y >= 3 Enter all real numbers for solutions of that type Enter each value as a reduced fraction (like 5/3, not 10/6) or as an integer (like 4 or -2) Do not enter mixed numbers Enter DNE for an empty set. Use oo to enter Infinity.
