Which sequence is generated by the function f (n + 1) = f (n) - 2 for f (1) = 10?

-10.-12, - 14, - 16, - 18,

-2,8, 18, 28, 38,

8, 18, 28, 38, 48,

10, 8, 6, 4, 2,

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10, 8, 6, 4, 2,

Step-by-step explanation:

f (1) = 10 tells you the first term in the sequence is 10. Only one answer choice has a first term of 10.

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f (n+1) = f (n) - 2 tells you that each successive term is 2 less than the previous term. The same answer choice also has that characteristic.