What is the domain of #g(x)=sqrt(4+7x)#?

1 Answer
Rory K.
Sep 12, 2016

x ≥ #-4/7#

Explanation:

The domain is the set of x (input) values allowed.
The only limitation is that the value under the square root cannot be negative, this means 4 + 7x ≥ 0. This leads to the the given answer,

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