Determine the real value(s) of such that the domain of the function is exactly the set .

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

Problem

Determine the real value(s) of

a

such that the domain of the function

h(x)=\sqrt{x+a}

is exactly the set

\{x\in\mathbb{R}\mid x\ge 3\}