The table shows the population of Rockerville over a twenty-five year period. Let 0 represent 1975.

Population of Rockerville

Year Population
1975
336

1980 350

1985 359

1990 366

1995 373

2000 395

a. Find a quadratic model for the data.
b. Find a cubic model for the data.
c. Graph each model. Compare the quadratic model and cubic model to determine which is a better fit.

Question

The table shows the population of Rockerville over a twenty-five year period. Let 0 represent 1975.

Population of Rockerville

Year Population 
1975 
           336 

1980  350 

1985   359 

1990   366 

1995    373 

2000     395 
  

a. Find a quadratic model for the data.
b. Find a cubic model for the data.
c. Graph each model. Compare the quadratic model and cubic model to determine which is a better fit.

anonymous · Answer

all ththe years in one colomn ....

hba · Answer

attachment