The answer is: [B]: " y = 4x " .
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Reciprocal of a number “x” is 1/x, so reciprocal of 3 is 1/3,
Therefore your answer is
3
Hope this helped :)
Here's the answer. I hope it will help you :)
Given:
The sequence is 8, 10, 12.5, 15.625,...
To find:
The explicit formula for the given sequence.
Solution:
We have,
8, 10, 12.5, 15.625,...
Here, the first terms is 8.
The common ratio is 1.25. So, the given sequence is a geometric sequence.
The explicit formula for a geometric sequence is:
Where, a is the first term and r is the common ratio.
The explicit formula for the given geometric sequence is:
Therefore, the correct option is A.