Consider U = {x|x is a real number}.
2 answers:
Answer:
Option c.
Step-by-step explanation:
We have the set of real numbers greater than 8 and B the set of real numbers greater than 5 here:
A: x+2>10 ⇒ x>8
B: 2x > 10 ⇒ x>5
8∉A ; 8∈B
Note: We can see (graph) that the intervals are open, so the corresponding points do not belong to their respective sets.
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