breeannas123
breeannas123
14-04-2017
Mathematics
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Domains of functions?
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apologiabiology
apologiabiology
15-04-2017
fog means f(g(x))
so anything not in domain of g(x) is not in domain of f(g(x))
we can't take squaer root of negative
if we did g(-6) we get sqrt(-4) which is not allowed
it is not in domain
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