# Math

posted by
**kelly**
.

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