diiamondgraham1
07.06.2021 •
Mathematics
A club with 13 members is to choose three officers: president, vice-president, and secretary-treasurer. If each office is to be held by one person and no person can hold more than one office, in how many ways can those offices be filled
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Ответ:
Part A: Geometric Sequence
Part B:
Part C: a₈ = 512
Step-by-step explanation:
When we find the common ratio between the y-values (x-values are n inputs), we should see that we get r = 2. That means we have a geometric sequence.
Because we have a geometric sequence, our recursive formula is: . Simply plug in our known variables:
Now we need to find what y is when x = 8, so (I used explicit formula):
a₈ = 512