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fx=sqrt7x and gx=x-2 whats the smallest number that is in the domain of f(g) i need help with this function please
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fx=sqrt7x and gx=x-2 whats the smallest number that is in the domain of f(g) i need help with this function please

User Kyle Venn
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1 Answer

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To find the domain of a radical set the radicand >=0 and solve.
7x>=0
Divide by 7
X>=0 this is the domain
[0,infinity)
User Fbuchinger
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