Automobile production. The table shows the retail market share of passenger cars fro...

Automobile production. The table shows the retail market share of passenger cars from Ford Motor Company as a percentage of the U.S. market.

A mathematical model for this data is given by

where x = 0 corresponds to 1980.

(A) Complete the following table. Round values of f(x) to one decimal place.

(B) Sketch the graph of f and the market share data in the same coordinate system.

(C) Use values of the modeling function f to estimate Ford's market share in 2015 and in 2020.

(D) Write a brief verbal description of Ford's market share from 1980 to 2005.