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Let f(x)=√4x and g(x)=x+6, whats the smallest number that is the domain of f^o g?
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Let f(x)=√4x and g(x)=x+6, whats the smallest number that is the domain of f^o g?
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Feb 9, 2017
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Let f(x)=√4x and g(x)=x+6, whats the smallest number that is the domain of f^o g?
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David Berg
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f(x) = √(4x)
g(x) = x + 6
(f ο g)(x) = f(g(x))
(f ο g)(x) = √(4(x + 6))
(f ο g)(x) = 2√(x + 6)
The smallest number that is the domain of (f ο g)(x) is -6.
Atis
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Feb 14, 2017
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