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[-/1.51 Points] WANEFMAC7 14.3.037. The number of new members joining Facebook each year in the period from 2005 to the middle of 2008 can be modeled by

`m(t)=12t^(2)-20t+10 million members per year (0<=t<=3.5),`

where

`t`

is time in years since the start of 2005.

`uarr`

What was the average number of new members joining Facebook each year from the start of 2005 to the start of 2007 ? million members per year [-/1.51 Points] WANEFMAC8 14.3.036. The cost, in millions of dollars, of a 30 -second television ad during the Super Bowl in the years 2000 to 2010 can be approximated by

`C(t)=0.14t+1.1 million dollars (0<=t<=10)`

(

`t=0`

represents 2000). What was the average cost (in millions of dollars) of a Super Bowl ad during the given period? (Round your answer to one decimal places.)

`$`

million