Solve the Problem $f ( x ) = \sqrt { x + 7 }$

question 145

Multiple Choice

Solve the problem.
-If $f ( x ) = \sqrt { x + 7 }$ and $g ( x ) = 8 x - 11$ , find $f ( g ( x ) )$

• A) \(2 \sqrt { 2 x - 1 }\)
• B) \(8 \sqrt { x + 7 } - 11\)
• C) \(8 \sqrt { x - 4 }\)
• D) \(2 \sqrt { 2 x + 1 }\)

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The mass of a substance per unit volume, used as a measure of how tightly matter is compacted.

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