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F(x)=2x and g(x)=square root of x what is the domain of f(g(x))?

2 Answers

0 votes

Answer:

It is C) X_>1

Explanation:

Just took it on edge

User Johan Driessen
by
5.6k points
5 votes

Answer:


x\ge 0

Explanation:

The given functions are:


f(x)=2x


and



g(x)=√(x)


Now,


f(g(x))=f(√(x) )



f(g(x))=2√(x)

The domain refers to values of
x for which
f(g(x))=2√(x) is defined.


The expression under the radical sign must not be negative.

The domain is


x\ge 0

User Aco
by
5.7k points