Saturday

February 28, 2015

February 28, 2015

Posted by **Taylor** on Thursday, November 14, 2013 at 9:37pm.

a:What was the annual household cost of telephone service in 1981?

B: Write an equation that gives the annual household cost of telephone service as a function of the number of year since 1981.

C: find the household cost of telephone service in 2000

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