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A really easy question! what is the domain??

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lol, i just forgot...

i have the function

f(x) = (3x+1) / sqrt(x+)

if i have to find the domain, which part do i set equal to zero?

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  1. You're concerned about two things here:  1) the denominator going to 0 and 2) taking the square root of a negative.  Fortunately, both of them happen at the same place.  Your domain will be x > -2

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