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1 answer:
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Answer:
View Image. The red one is the answer
Step-by-step explanation:
Your first goal is to solve for x.
Once you have the inequality for x alone, graph both of it.
Only keep the parts where both inequality overlap each others.
Answer:
4 + 12 + 36 + ...
Step-by-step explanation:
4, 12, 36, ... is a geometric sequence, it has a common ratio of
When we add the terms of a geometric sequence we get a geometric series.
4+12+36+ ... is a geometric series, it has a common ratio of
4 + 12 + 20 + ... is not a geometric series because it has no common ratio
The second choice is correct