Let be defined by and be defined by

MATHEMATICS · Subjective · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

Let

f:\mathbb R\to\mathbb R

be defined by

f(x)=x^{2}

and

g:\mathbb R\to\mathbb R

be defined by

g(x)=\sqrt{x}

. State the domain of the composition

g\circ f

.

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