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

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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)   (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

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