1D. [1\". Points] DETAILS PREVIOUS ANSWERS LARCAAPCALCZ 11.3.1356. The rate of change in revenue for Under Armour from 2004 through 2009 can be modeled by (1&2 - 13.397t 4- df 234.653 t MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER where R Is the revenue {in millions of dollars) and t is the time (In years), with t - 4 corresponding to 2004. In 2008. the revenue for Under Armour was $725.2 mlllion.+ (a) Find a model for the revenue of Under Armour. (Round your constant term to two decimal places.) an) - (b) Find Under Armour's revenue In 2009. (Round your answer to two declmal places.) 6.9485:2 + 234.553 111(1) , 311.42 $ |:| x """m" Need Help? vl