For the x-values 1, 2, 3, and so on, the y-values of a function form an arithmetic sequence that decreases in value. What type of
function is it?
A. Decreasing linear
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B. Exponential growth
C. Exponential decay
d
D. Increasing linear

The question is kind of confusing. if it's asking how many variations of answers can you give. then do 4^5 for your answer.this would be something like the first question could be a and the 2nd c or first b next c etc. if you can, ask the teacher for a better confirmation of what it's asking. if i'm assuming correctly what it's asking, it's 625 different variations.