Mathematics

Problem

## Explorations 69. Group Activity Work in groups of two. Compare the functions

f(x)=\frac{x^{2}-9}{x-3}

and

g(x)=x+3

. (a) Are the domains equal? (b) Does

f

have a vertical asymptote? Explain. (c) Explain why the graphs appear to be identical. (d) Are the functions identical?