Chapter 1, Problem 31RE

(a)

To determine

The appropriate model to fit the data points from the following options.

(a) $n\left(t\right)=\frac{300}{4+100\left(5^{-t}\right)}$

(b) $n\left(t\right)=13.3t+8.0$

(c) $n\left(t\right)=-2.3t^2+30.0t-3.3$

(d) $n\left(t\right)=7\left(3^{0.5t}\right)$

(b)

To determine

The model that predict the number of users are rising, falling or leveling off from the following options.

(a) $n\left(t\right)=\frac{300}{4+100\left(5^{-t}\right)}$

(b) $n\left(t\right)=13.3t+8.0$

(c) $n\left(t\right)=-2.3t^2+30.0t-3.3$

(d) $n\left(t\right)=7\left(3^{0.5t}\right)$