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animalsavior94
 4 years ago
find (f o g)(x) find the domain of the composite function:
f(x)=13/x+2; g(x)= x5
animalsavior94
 4 years ago
find (f o g)(x) find the domain of the composite function: f(x)=13/x+2; g(x)= x5

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satellite73
 4 years ago
Best ResponseYou've already chosen the best response.1\[f(g(x))=f(x5)=\frac{13}{(x5)+2}=\frac{13}{x3}\]

satellite73
 4 years ago
Best ResponseYou've already chosen the best response.1i just replaced the x in f(x) by x  5

satellite73
 4 years ago
Best ResponseYou've already chosen the best response.1of course you cannot divide by 0, so the domain is all numbers except where x  3 = 0 i.e all numbers except x = 3
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