In the following table R(t) is the quarterly revenue for an international tortilla producer t quarters after December 1999. Use the table to answer the following questions.

Find R(t) where t=4.
What was the revenue 2 quarters after 1999..
What does t equal when R(t) = 486.

(In other words, how many quarters after 1999 did the tortilla producer have a revenue of 486 million.).

Quarter Revenue in Millions of Dollars
1 460
2 452
3 474
4 483.8
5 486.0

To answer the questions, we need to analyze the given table where R(t) represents the quarterly revenue for the tortilla producer t quarters after December 1999.

1. Find R(t) where t = 4:
Looking at the table, we can see that the revenue for 4 quarters after December 1999 is given as 483.8 million dollars. Hence, R(4) = 483.8 million dollars.

2. What was the revenue 2 quarters after 1999:
To find the revenue 2 quarters after 1999, we need to look at the table and identify the revenue value for t = 2. From the table, we can see that the revenue for 2 quarters after 1999 is given as 452 million dollars.

3. What does t equal when R(t) = 486:
To determine the value of t when the revenue is 486 million dollars, we need to check the table and locate the corresponding row where R(t) = 486. From the table, it is evident that R(5) = 486 million dollars. Thus, t = 5, meaning that the tortilla producer had a revenue of 486 million dollars 5 quarters after December 1999.

In summary:
1. R(4) = 483.8 million dollars.
2. The revenue 2 quarters after 1999 is 452 million dollars.
3. The tortilla producer had a revenue of 486 million dollars 5 quarters after December 1999.