How do you find the domain of $f(x) = ln (10-x)$ ?

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Answer 1 · 2016-04-30T18:23:23

domain is $(-oo,10)$

Domain of f(x) would be all values of x along the number line, except at those points where f(x) does not exist.

Accordingly, in this case f(x) does not exist for $x>=10$

Hence domain is $(-oo,10)$

How do you find the domain of f(x) = ln (10-x)f(x) = ln (10-x)?