Write the intervals shown above. Use oo for
∞
\displaystyle \infty
∞
, -oo for
−
∞
\displaystyle -\infty
−
∞
, U for union.
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Enter your answer using interval notation. Example: [2.1,5.6172)
Use U for union to combine intervals. Example: (-oo,2] U [4,oo)
Enter DNE for an empty set. Use oo to enter Infinity.