Question 128700
P(T)=120+4T+.05T^2
WHERE YOU MESSED UP IS YOU INCORRECTLY MULTIPLIED 120 BY 5. THERE IS NO T FACTOR ASSOCIATED WITH THE 120.
P(5)=120+4*5+.05(5)^2
P(5)=120+20+.05*25
P(5)=140+1.25
P(5)=141.25 ANSWER.
THIS PREDICTS THAT AFTER 5 YEARS THE POPULATION WILL INCREASE BY 141 PEOPLE.