SOLUTION: What is the domain of f(x)= log base 2 (x-1)?
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Question 817070: What is the domain of f(x)= log base 2 (x-1)?
Found 2 solutions by josgarithmetic, josmiceli:
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
The function would be shifted horizontally from standard only. You could give the equation as ; although you can raise 2 to positive OR negative values of y, x-1 must always remain greater than or equal to zero;
DOMAIN IS
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
cannot be negative. There is no log
which can result in a negative number.
There is an asymptote at at which point
goes to minus infinity.
For ,
--------------------------------------
So the domain of is
Here's the plot:
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