The following table lists projected revenue R in $ millions for Instag
1
2 3
4
5
320 920 1860 2791
3878
XR
0
120
(a) Find a function R(x) that models the data.
(b) Graph R(x) and the data.
(c) Predict the revenue in 2022, or 7 years after 2015.
Use the graphing calculator to find the function R(x) that models the
(Round to three decimal places as needed.)