The Range of the Function F (X) = $\sqrt { 20 + 8 x - x ^ { 2 } }$

question 116

Multiple Choice

The range of the function f (x) = $\sqrt { 20 + 8 x - x ^ { 2 } }$ is a closed interval [a; b]. Find its length b - a.

• A)1
• B)2
• C)3
• D)4
• E)5
• F)6
• G)7
• H)9

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