Let f(x) = square root of 7x and g(x) = x - 2. what's
the smallest number that is in the domain of
fºg?

The smallest number that is in the domain is 2

Step-by-step explanation:

we have

we know that

Substitute the variable x by the function g(x) in the function f(x)

so

Remember that the radicand must be greater than or equal to zero

Solve for x

Adds 14 both sides

Divide by 7 both sides

The domain is the interval [2,∞)

therefore

The smallest number that is in the domain is 2

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step-by-step explanation:

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