1.8: Value of a two-term exponential expression

0606/12/M/J/19 — Question 3 · 1 mark · Exponentials, Population models

Only part (i) of this question is included in the topical PDF.

The number, BB, of a certain type of bacteria at time tt days can be described by B=200e2t+800e2tB = 200e^{2t} + 800e^{-2t}.
(i)
Find the value of BB when t=0t = 0.
[1]