Math Help Please
posted by Michelle .
Please show me how to put this in interval notation. Thanks!
I know I solved this right, I think, but need to put it in interval notatioin. Please tell me if i am correct. Thanks!
PleaseSolve: (x3)/(x^225)<0 and write solution set in interval notation. This is what I get:
x<5 or 3< x <5
And in interval notation?

In interval notation, we combine two disjoint intervals with the union operator, ∩. Therefore the answer in interval notation would be:
(∞, 5) ∩ (3,5)
Parentheses are used (instead of square brackets) to indicate that the limits are excluded from the intervals. Some interval notations use square brackets facing towards the exterior (=exclude) instead of parentheses, i.e.
]infin;, 5[ ∩ ]3,5[ 
]∞, 5[ ∩ ]3,5[

Sorry, the union operator is ∪
so the correct intervals are:
(∞,5) ∪ (3,5)
or
]∞, 5[ ∪ ]3,5[
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