SOLUTION: find the inverse of y = exp2 (x-7) + 1

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Question 436182: find the inverse of
y = exp2 (x-7) + 1
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
find the inverse of
y = exp2 (x-7) + 1
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1st: Interchange x and y:
x = e^[2y-14] +1
---
e^(2y-14) = x-1
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Take the ln of both sides:
(2y-14) = ln(x-1)
---
2y = ln(x-1)+14
y = (1/2)[ln(x+1)+14]
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Cheers,
Stan H.
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