Find the Domain and Range for the Indicated Function $f ( x ) = \sqrt { x + 7 } , \quad g ( x ) = \sqrt { x - 7 }$

question 345

Multiple Choice

Find the domain and range for the indicated function.
- $f ( x ) = \sqrt { x + 7 } , \quad g ( x ) = \sqrt { x - 7 }$
$f \cdot g$

• A) D: \(x \geq 7\)
• R: \(- \infty < y < \infty\)
• B) D: \(x \geq 7\)
• R: \(y > 0\)
• C) D: \(x \geq 7\)
• R: \(y \geq 0\)
• D) D: \(x > 7\)
• R: \(y \geq 0\)

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