SOLUTION: This is one that I was not to sure about 7. The future population of a town t years after January 1, 1995 is described in thousands by function P(t) = 120 + 4t + 0.05t^2. Ca

Algebra ->  Functions -> SOLUTION: This is one that I was not to sure about 7. The future population of a town t years after January 1, 1995 is described in thousands by function P(t) = 120 + 4t + 0.05t^2. Ca      Log On


   

Question 128747This question is from textbook Fundamentals of Algebric Modeling
: This is one that I was not to sure about
7. The future population of a town t years after January 1, 1995 is described in thousands by function

P(t) = 120 + 4t + 0.05t^2. Caluculate the value of P(5) and explain what it means.
P(5) = 120(5) + 4(5) + 0.05(5)^2
P(5) = 600 + 20 + .25^2
P(5) = 620,062.5 is the future population of a town
 This question is from textbook Fundamentals of Algebric Modeling

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

P%28t%29+=+120+%2B+4t+%2B+0.05t%5E2 Start with the given function


P%285%29+=+120+%2B+4%285%29+%2B+0.05%285%29%5E2 Plug in t=5


P%285%29+=+120+%2B+4%285%29+%2B+0.05%2825%29 Square 5 to get 25


P%285%29+=+120+%2B+20+%2B+1.25 Multiply


P%285%29+=+141.25 Add