Question

Guided Practice

The number of bacteria in a lab sample triples every hour. If you start with 2 bacteria in the sample, write an equation that represents the number of bacteria, y, in the sample after x hours.


A.
y=2 · x3y equals 2 times x cubed


B.
y=3 · 2xy equals 3 times 2 superscript x baseline


C.
y=2 · 3xy equals 2 times 3 superscript x baseline

Answer 1

C.

y=2 · 3xy equals 2 times 3 superscript x baseline

Explanation:

y=2 · 3 xy equals 2 tim