The number of air safety inspectors for selected years is shown in the table. Year 1994 1995 1996 Inspectors 3315 3198 3051 a) What is the linear function f that models this data? Is it exact or approximate? f(x) = _____ b) What is the estimate of the number of inspectors in 2001 (simplify the integer or decimal as an answer?) _____ Compare this to the actual value of 3460. Is it too low, too high, or exact? Does the estimate involve interoplation or extrapolation?

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.