SOLUTION: The value of a stock in dollars at the end of each month in 1992 varied according to the equation c(x) = 1/4x^2 - 2x + 6 where x represents the number of months. a)For how many mo

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons -> SOLUTION: The value of a stock in dollars at the end of each month in 1992 varied according to the equation c(x) = 1/4x^2 - 2x + 6 where x represents the number of months. a)For how many mo      Log On


   

Question 675245: The value of a stock in dollars at the end of each month in 1992 varied according to the equation c(x) = 1/4x^2 - 2x + 6 where x represents the number of months.
a)For how many months did the stock decrease?
b)For how many months did the stock increase?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

The value of a stock in dollars at the end of each month in 1992 varied according to the equation 

c(x) = 1/4x^2 - 2x + 6 = 1/4(x-4)^2 + 2 where x represents the number of months.

a)For how many months did the stock decrease? 4 mos

b)For how many months did the stock increase? 8mos

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