Solve. Write your answer using interval notation. You can type oo (two lowercase o) to represent co. 102-9-17 Preview Box 1: Enter your answer using interval notation. Example: [2,5) Use U for union to combine intervals. Example: (-00,2] U [4,00) Enter each value as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4) Enter DNE for an empty set. Use oo to enter Infinity.