Determine the Domain and Range of the Graph of the Function

Multiple Choice

Determine the domain and range of the graph of the function $C ( x ) = \sqrt { x } + 2$ .

A) The domain is all real numbers x such that $x \geq 0$ . The range is all real numbers y such that $y \geq - 2$ .
B) The domain is all real numbers x such that $x \geq 2$ . The range is all real numbers y such that $y \geq 2$ .
C) The domain is all real numbers x such that $x \leq 0$ . The range is all real numbers y such that $y \geq 2$ .
D) The domain is all real numbers x such that $x \geq 2$ . The range is all real numbers y such that $y \geq 0$ .
E) The domain is all real numbers x such that $x \geq 0$ . The range is all real numbers y such that $y \geq 2$ .