To begin a bacteria study, a petri dish had

Question

To begin a bacteria study, a petri dish had 1900

 bacteria cells. Each hour since, the number of cells has increased by 3.3%

.Let t

 be the number of hours since the start of the study. Let y

 be the number of bacteria cells.Write an exponential function showing the relationship between y

 and t

.

Answer 1

This an exponential growth problem, since bacteria have that growth pattern.

You will use the formula y=a(1+r)^t a= initial amount r= rate as a decimal number t= time

Your exponential growth function should look like this

y=1900(1+0.033)^t ........Simplify

y=1900(1.033)^t .......Answer