State the Domain and Range of the Function $$f ( x ) = \sqrt { 25 + 8 ^ { - x } }$$

question 115

Multiple Choice

State the domain and range of the function.
- $$f ( x ) = \sqrt { 25 + 8 ^ { - x } }$$

• A) domain: \(( - \infty , \infty )\); range: \(( 0,5 )\)
• B) domain: \(( - \infty , \infty )\); range: \(( - \infty , \infty )\)
• C) domain: \(( - \infty , \infty )\); range: \(( 5 , \infty )\)
• D) domain: \(( 0 , \infty )\); range: \(( - \infty , \infty )\)

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