A population has size 3,500 at time $t=0$, with $t$ in years. If the population grows by 80 people per year, what is the formula for $P$, the population at time $t$ ?
A) $ P=3,500(1.8) t$
B) $ P=3,500+80 t$
C) $ P=3,500(0.8)^{t}$
D) $ P=3,500(1.8)^{t}$

Question

Quizplus · Accepted Answer

The population grows linearly by 80 people per year, so the formula is $ P = 3,500 + 80t $.

A Population Has Size 3,500 at Time t=0t=0t=0 , With ttt In Years If the Population Grows by 80 People Per Year

A Population Has Size 3,500 at Time $t=0$ , With $t$ In Years If the Population Grows by 80 People Per Year