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Mathematics 21 Online
OpenStudy (anonymous):

Given that f(x)=[ 8/(x−7)] and g(x)=[ 3/(x + 4)] (f/g) (x)=? I know the answer is (8x+32)/(3x-21). but what is the domain? isnt it (-infinity , 7) U (7 , +infinity)? I wrote that but it is wrong...

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