Chapter 1, Problem 32RE

(a)

To determine

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

(a) $n\left(t\right)=\frac{3,000}{1+12\left(2^{-t}\right)}$

(b) $n\left(t\right)=\frac{2,000}{4.2-0.7t}$

(c) $n\left(t\right)=300\left({1.6}^t\right)$

(d) $n\left(t\right)=100\left(4.1t^2-20.4t+29.5\right)$

(b)

To determine

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

(a) $n\left(t\right)=\frac{3,000}{1+12\left(2^{-t}\right)}$

(b) $n\left(t\right)=\frac{2,000}{4.2-0.7t}$

(c) $n\left(t\right)=300\left({1.6}^t\right)$

(d) $n\left(t\right)=100\left(4.1t^2-20.4t+29.5\right)$