The Population of a Pack of Rats Can Be Represented $P(t)=3+1.3 t$

Multiple Choice

The population of a pack of rats can be represented by the formula $P(t) =3+1.3 t$ where $P(t) =3+1.3 t$ represents the population in hundreds, and $t$ represents the time, in months, since January 2010. Which of the following is correct regarding the vertical intercept?

A) Since the vertical intercept is 3, we know that in January 2010 there were 300 rats.
B) Since the vertical intercept is 3, we know that in January 2010 there were 3 rats.
C) Since the vertical intercept is 1.3 , we know that in January 2010 there were 130 rats.
D) Since the vertical intercept is 0, we know that in January 2010 there were no rats.