Annual sales of music compact discs (CDs) have declined since 2000. Sales were 942.5 million in 2000

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Annual sales of music compact discs (CDs) have declined since 2000. Sales were 942.5 million in 2000 and 384.7 million in 2008.

(a) Find a formula for annual sales, S, in millions of music CDs, as a linear function of the number of years, t, since 2000. 

(b) Give units for and interpret the slope and the vertical intercept of this function. 

(c) Use the formula to predict music CD sales in 2012.

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Applied Calculus

ISBN: 9781119275565

6th Edition

Authors: Deborah Hughes Hallett, Patti Frazer Lock, Andrew M. Gleason, Daniel E. Flath, Sheldon P. Gordon, David O. Lomen, David Lovelock, William G. McCallum, Brad G. Osgood, Andrew Pasquale

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