SOLUTION: Find the domain and range of: f(x)=8+6*log base 9 (x-7)

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Question 380308: Find the domain and range of:
f(x)=8+6*log base 9 (x-7)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the domain and range of:
f(x)=8+6*log base 9 (x-7)
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Domain:
x-7 must be positive:
Solve x-7 > 0
x > 7
Domain is all Real numbers greater than 7.
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Range:
The function is asmptotic to x = 7 and ranges
from -inf to +inf.
Range is all Real Numbers.
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graph%28400%2C300%2C-10%2C30%2C-10%2C30%2C8%2B6ln%28x-7%29%29
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Cheers,
Stan H.
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