How do you find the domain and range of f(x) = ln(4 - 2x)

kriauklasvt

kriauklasvt

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2022-08-21

How do you find the domain and range of f ( x ) = ln ( 4 2 x )?

Answer & Explanation

Nathalie Foster

Nathalie Foster

Beginner2022-08-22Added 7 answers

In this question we are going to apply conditions.
If we have a logarithmic function as ln a we know that a>0
When we apply it to your question
(4-2x)>0
(-2x)>(-4)
2x<4
x<2 which in interval notation is x ( , 2 )
This is our domain.
Now for the range
The range would be all real numbers ,i.e, f ( x ) ( , + )

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