## Question

###### If you invest $x$ dollars at 4$\%$ interest compounded annually,then the amount $A(x)$ of the investment after one year is $A(x)=1.04 x .$ Find $A \circ A, A$ o $A$ o $A,$ and $A \circ A \circ A \circ A .$ What do these compositions represent? Find a formula for the com- position of $n$ copies of $A .$

If you invest $x$ dollars at 4$\%$ interest compounded annually,then the amount $A(x)$ of the investment after one year is $A(x)=1.04 x .$ Find $A \circ A, A$ o $A$ o $A,$ and $A \circ A \circ A \circ A .$ What do these compositions represent? Find a formula for the com- position of $n$ copies of $A .$

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