Answer:
<em>Correct Answer: D</em>
Step-by-step explanation:
<em>Geometric Sequence
</em>
We can find each term of a geometric sequence if we have the general formula by replacing n for any integer number in the given domain. n must be an integer because it's the position where the term is located. For example,
is the term located in position 2, so n cannot be irrational or decimal. The sequence provided is

The variable n starts from 0 and has no limit, so the domain is a set of integers


Answer:
18. Slope (m) = 1/2
Y-intercept (b) = -6
19. Slope (m) = 2
Y-intercep (b) = 8
20. y = 1/2 + 6
Step-by-step explanation:
y = mx + b
y - 2x = 8
y = 2x + 8
Answer is N/A. There is not a ratio to answer the question.
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2-19-21
A reasonable estimate is like 8 or 9 or maybe even 10
hope this helps