Model the Data Using an Exponential Function $f ( x ) = A b ^ { x }$

Essay

Model the data using an exponential function $f ( x ) = A b ^ { x }$ . $$\begin{array} { | l | l | l | l | } \hline \boldsymbol { x } & 0 & 1 & 2 \\\hline \boldsymbol { f } ( \boldsymbol { x } ) & 10 & 20 & 40 \\\hline\end{array}$$