Let $f ( x ) = \sqrt { x + 1 } , g ( x ) = x ^ { 2 } - 1$ .Find the composite function. $( f \circ g ) ( x )$

Name: Let $f ( x ) = \sqrt { x + 1 } , g ( x ) = x ^ { 2 } - 1$ .Find the composite function. $( f \circ g ) ( x )$
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Question

Let $f ( x ) = \sqrt { x + 1 } , g ( x ) = x ^ { 2 } - 1$ .Find the composite function.​ $( f \circ g ) ( x )$

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The Answer of Let $f ( x ) = \sqrt { x + 1 } , g ( x ) = x ^ { 2 } - 1$ .Find the composite function.​ $( f \circ g ) ( x )$

Let f(x)=x+1,g(x)=x2−1f ( x ) = \sqrt { x + 1 } , g ( x ) = x ^ { 2 } - 1f(x)=x+1​,g(x)=x2−1

Let $f ( x ) = \sqrt { x + 1 } , g ( x ) = x ^ { 2 } - 1$