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*Sales From 2000 to 2005, the sales R 1 ( in thousands ofdollars) for one of two

ID: 3090211 • Letter: #

Question

*Sales From 2000 to 2005, the sales R1 ( in thousands ofdollars) for one of two restaurants owned by the same parentcompany can be modeled by                  R1 = 480 - 8t -0.8t2,           t = 0, 1, 2, 3, 4, 5

where t = 0 represent 2000. During the same six-year period, thesales R2 ( in thousands of dollars) for the secondrestaurant can be modeled by

R2 = 254 +0.78t,          t = t = 0, 1, 2, 3, 4, 5.

a) Write a function R3 that represent the total sales ofthe two restaurants owned by the same parent company.

b) Use a graphing utility to graph R1 , R2 ,and R3 in the same viewing window.

Explanation / Answer

How the graphing going to be? can anyone help with graph R1, R2, andR3 ?