The value of an investment is modeled by $I(t)=5000(1.06{)}^t$, where $t$ is the number of years.
The population of a city is modeled by $P(t)=100,000(0.98{)}^t$, where $t$ is the number of years.
The number of cells in a petri dish is modeled by $C(t)=100(1.12{)}^t$, where $t$ is the number of hours.

Which of the following statements is true?