Business According to data from the Motion Picture Association of America, total box-offic...

Business According to data from the Motion Picture Association of America, total box-office receipts (in millions of dollars) declined from 2002 to 2006. The receipts in year a can be approximated by

where x = 2 corresponds to 2002. Assume this equation remains valid through 2012.

(a) Estimate the box-office receipts in 2006.

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(b) In what year will the box-office receipts be $9 billion?