college algebra function problems

Mathematics
Tutor: None Selected Time limit: 1 Day

i am stuck on the following hw problem. here is a pic of the problem

http://imgur.com/444oetk

any help would be appreciated

Nov 19th, 2014

The answer is k=16. I just guessed and checked and it worked perfectly.

Nov 19th, 2014

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Nov 19th, 2014
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Nov 19th, 2014
Dec 5th, 2016
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