How do you find the domain of $F(x)=ln(-7-4x)$ ?

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Answer 1 · 2017-09-27T11:30:08

Domain: $x < -7/4 or (-oo, -7/4)$

$F(x) = ln (-7 -4x)$ Since any value for $x$ in $ln x$ must be greater

than zero , then domain is $-7-4x >0 or -4x > 7$ or

$-x > 7/4 or x < -7/4$

Domain: $x < -7/4 or (-oo, -7/4)$

How do you find the domain of F(x)=ln(-7-4x)F(x)=ln(-7-4x)?