m3rk098 m3rk098

02-05-2018
Mathematics

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hey can you please help me posted picture of question

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carlosego carlosego

02-05-2018

We have the following function:
C (n) = 20n + 15
Clearing t we have:
20n = c - 15
n = c / 20 - 15/20
Rewriting:
N (c) = (c-15) / 20
Answer:
The inverse function for this case is given by:
N (c) = (c-15) / 20
option B

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