Question
If U = {x} (x is an integer, 1< x < 5) and P = {1, 2, 5}, what is the complement of P (P')? (There should be a _ under < which makes it less than equal to
Is my answer B ?
A. {1, 2, 5}
B. ( 3, 4)
C. ( 1, 2, 3, 4, 5}
D. (2, 3, 4)
Is my answer B ?
A. {1, 2, 5}
B. ( 3, 4)
C. ( 1, 2, 3, 4, 5}
D. (2, 3, 4)
Answers
MathMate
Correct!
Tests:
1. P∪P'={1,2,5}∪{3,4}={1,2,3,4,5}=U
2. P∩P'={1,2,5}∩{3,4}=∅
3. U-P={1,2,3,4,5}-{1,2,5}={3,4}=P'
Tests:
1. P∪P'={1,2,5}∪{3,4}={1,2,3,4,5}=U
2. P∩P'={1,2,5}∩{3,4}=∅
3. U-P={1,2,3,4,5}-{1,2,5}={3,4}=P'