if 3^x=k, what does 3^2x+1 equal in terms of k?

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2 Answers

if 3^x=k,

what does 3^2x+1 equal in terms of k?

3^x + 3^x + 1

  k + k + 1

2k + 1

by Level 10 User (55.7k points)
This is an SAT question. The answer is 3k^2. 3^2x+1 is equal to 3^x+x+1= k*k*3, thus 3k^2.
by

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