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sweet-ann [11.9K]
3 years ago
14

If 9 is subtracted from a certain number and the difference is divided by 3

Mathematics
1 answer:
nekit [7.7K]3 years ago
8 0
Is answer 21? i assumed number as x then i followed the process

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Can someone explain how to do this please?
Rufina [12.5K]

for the columns where is less than or equal zero, use the first line of the function to calculate the value of f(x)

{ ( \frac{1}{3} ) }^{ - 2} - 1  = 9 - 1 = 8 \\ { ( \frac{1}{3} ) }^{ - 1}  - 1 = 3 - 1 = 2 \\ { ( \frac{1}{3} ) }^{ 0} - 1  = 1 - 1 = 0

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hope this helps and gives some insight what to do.

if there are open questions left, feel free to ask them in the comments

have a beautiful day

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