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Find the intersection and union of sets as indicated. Write the answers in interval notation. a. $(-\infty, 4) \cap[-1,5]$ b. $(-\infty, 4) \cup[-1,5)$

   Find the intersection and union of sets as indicated. Write the answers in interval notation.
a. $(-\infty, 4) \cap[-1,5]$
b. $(-\infty, 4) \cup[-1,5)$
Beginning And Intermediate Algebra
Beginning And Intermediate Algebra
Julie Miller, Nancy… 2nd Edition
Chapter 10, Problem 10 ↓
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Find the intersection and union of sets as indicated. Write the answers in interval notation. a. $(-\infty, 4) \cap[-1,5]$ b. $(-\infty, 4) \cup[-1,5)$
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Transcript

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00:01 22 here you have to find the answer of the combined inequalities so question number a what is given minus infinite 4 intersection minus 1 to solve this let us let us draw a graph okay let us then move a little bit here right now let us draw this both inequalities let us draw first this one so it is minus infinite to 4 so again suppose this is your 0 this is minus 1 this is 1 2 3 4 this is 5 here this is minus 2 minus 3 minus 4 like this it is going and minus infinite to 4 it is equal to it will come up to 4 okay 1 2 3 4 so this is going on this is open...
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