Chapter 4.3, Problem 91E

To determine

(a)

To sketch:

The graph of the family of function $f\left(x\right)=\log \left(cx\right)$ for the values of $c$ as $1,2,3,\text{and 4}$.

To determine

(b)

To find:

The relation between the graph of family of functions $f\left(x\right)=\log \left(cx\right)$.