SOLUTION: Hi, my problem is: Find the domain of the function: f(x) = log8(5x+1)

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Hi, my problem is: Find the domain of the function: f(x) = log8(5x+1)      Log On


   

Question 136359This question is from textbook College Algebra
: Hi, my problem is: Find the domain of the function: f(x) = log8(5x+1) This question is from textbook College Algebra

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
logarithms are only defined for arguments greater than zero

5x+1 must be greater than zero __ 5x+1>0 __ 5x>-1 __ x>-1/5 __ x must be greater than -1/5

so the domain is all real numbers greater than -1/5