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Module 8 shan
math 113 module 8
Question | Answer |
---|---|
Which word means intersection? | and |
Which word means union? | or |
intersection | U or union sign |
A = {1,2,3,4} B = {5,6,7,8} what is AUB? | AUB= {1,2,3,4,5,6,7,8} |
Solve 2<4-x<7 | 2>x>-3 |
If A={x|x is an even number greater than 0 and less than 10 and B={5,6,7,8}. Find AUB | [6,8] |
2<4-x<7 in interval notation | [-3,2] |
If A={x|x is an odd number greater than 0 and less than 10 and B={2,3,4,5}. Find AUB | [3,5] |
Solve -2x-5<-3 or 6x<0 | (-infinity sign,infinity sign) |
Solve x-7<2 and 2x+1<9 | (-infinity sign, 4) |