Alg2: Find a cubic function to model the data below. (Hint: Ue the number of years past 1940 for x) Then use the function to estimate the average monthly Social Security Benefit for a retired worker in 2012.
Year: 1940|1950|1960|1970|1980|1990|2000|2003|
Amount (in $): 22.71|29.03|81.73|123.82|321.10|550.50|844.60|922.10

I have absolutely no idea how to go about solving this.

Question

Alg2: Find a cubic function to model the data below. (Hint: Ue the number of years past 1940 for x) Then use the function to estimate the average monthly Social Security Benefit for a retired worker in 2012.
Year: 1940|1950|1960|1970|1980|1990|2000|2003|
Amount (in $): 22.71|29.03|81.73|123.82|321.10|550.50|844.60|922.10

I have absolutely no idea how to go about solving this.

anonymous · Answer

could you plot the data on Excel and then find the equation by adding Trendline?

anonymous · Answer

I am trying to use a TI-84 calculator, if that makes a difference. But I will try excel.