Use $f ( x ) = x ^ { 2 } - 1$

question 92

Multiple Choice

Use $f ( x ) = x ^ { 2 } - 1$ and $g ( x ) = - \sqrt { x + 1 }$ to evaluate the expression $( f \circ g ) ( x )$ .

• A) \(- 1\)
• B) \(- x ^ { 2 }\)
• C) \(x ^ { 2 }\)
• D) \(x\)
• E) \(0\)

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