Answer:
y = 56·(1/2)^(x -1)
Explanation:
The table shows a geometric sequence with first term 56 and common ratio 1/2. The generic term for such a sequence is ...
an = a1·r^(n-1)
Substituting the problem values, we get ...
y = 56·(1/2)^(x -1)
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Comment on answer choices
All of the answer choices are missing essential math symbols, including division bars, exponentiation symbols, parentheses. As written, the only viable choice is "none of the above."