- #1
Veronica_Oles
- 142
- 3
Homework Statement
Between 1985 and 1995 the number of computers in thousands sold in Canada is estimated by c(t) = 0.92(t^3 + 8t^2 + 40t +400)
In what year did home computers sale reach 1.5 million?
Homework Equations
The Attempt at a Solution
I know I have to isolate the t to obtain time. So far this is what I have gotten up to
1230.43 = t^3 + 8^2 + 40t
Here is where I am stuck. Would I have to factor out a t in order to move on to th next step?