Thread: Domain of function

A) 1/(1-e^x)
B) sqrt(1-8^x)

Originally Posted by Asuhuman18

A) 1/(1-e^x)
B) sqrt(1-8^x)

A)

The denominator must not equal zero, so .

B)

Originally Posted by alexmahone

A)

The denominator must not equal zero, so . The domain is .


== Most probably there's a little typo here: Alexmahone surely meant 1 - e^x =/= 0 and thus it must be x =/= 0, as he correctly wrote thereafter.

Tonio


B)

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