SOLUTION: Good morning sir,please help me solve my question,if 3^-n=y, find 3^n+2. Thank you.

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Question 1011512: Good morning sir,please help me solve my question,if 3^-n=y, find 3^n+2.
Thank you.

Answer by ikleyn(52847) About Me  (Show Source):
You can put this solution on YOUR website!
.
if 3^-n=y, find 3^n+2.
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3%5E%28n%2B2%29 = 9%2A%283%5En%29 = 9%2A%281%2F%283%5E%28-n%29%29%29 = 9%2Fy.