GB-24-06-001 · Exponential models
A culture starts with 450 cells. The number of cells multiplies by 2 every hour. Write a formula for the number N after t hours, and find N after 4 hours.
Exponential Growth Models (y = abˣ)
Application of related method — Booklet p. 52 & p. 88
Method
1) Write N = initial × (multiplier)^t
2) Substitute t into the formula and evaluate
Worked Example (GB-24-06-001)
1)
2)
Substitute t = 4.
3)
7200 cells
Ans =
; 7200 cells