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Mathematics 15 Online
OpenStudy (anonymous):

What is the domain of ln(x^2 - 8x + 15)

OpenStudy (anonymous):

I factored it into ln((x-5)(x-3)) Using the product rule - ln(2x-8) Now would the domain be (4.5,infinity)

OpenStudy (anonymous):

(x-5)(x-3) must be >)

OpenStudy (anonymous):

what do you mean by >)?

OpenStudy (anonymous):

(x-5)(x-3) >0 if x<3 or x >5

OpenStudy (anonymous):

Oh I see, thanks!

OpenStudy (anonymous):

yw

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