To find value of (g∘g)(−2)
The value of (g∘g)(−2) is 5
From graph, f(−2)=1
According to the definition of composite function,we know that:(g∘g)(x)=g(g(x))From the definition above ,we have:(g∘g)(−2)=g(g(−2))As we can see in the graph g(−2)=1So,(g∘g)(−2)=g(1)Once again,it is obvious that g(1)=4So finally we have:(g∘g)(−2)=g(g(−2))⇒(g∘g)(−2)=g(1)⇒(g∘g)(−2)=4
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