Graph the following functions and explain the significance of the graphs in terms of Problem 9.3 (c):

From the graphs in Fig. 9-7

(a) and

(b) it is clear that f(x) and g(x) are the same everywhere that f(x) is defined. This justifies the factoring in Problem 9.3

(c) and enables us to say

Transcribed Image Text:

-3x-4 f(x) = g(x)=x+1 x-4