George measures the force exerted by a certain spring when it is stretched various distances beyond its natural length. The data he gathers is compiled in the following table.
- He wishes to describe the force as a function of the stretched distance, and decides to use an exponential function model. After fitting an exponential function to the data, he uses it to estimate the force when the spring is stretched 21 inches. What is his approximation (to three decimal places) of this force?

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The Answer of George measures the force exerted by a certain spring when it is stretched various distances beyond its natural length. The data he gathers is compiled in the following table.
- He wishes to describe the force as a function of the stretched distance, and decides to use an exponential function model. After fitting an exponential function to the data, he uses it to estimate the force when the spring is stretched 21 inches. What is his approximation (to three decimal places) of this force?

George Measures the Force Exerted by a Certain Spring When