Question

Consider the real valued function $f(x)=\frac{x^2-4}{x-2}$ then find f(2).

• A. 4
• B. 0
• C. 1
• D. not-defined

Answer 1

Answer:

D. not-defined

$f(x)=\frac{x^2-4}{x-2}, x ≠2$

$=\frac{(x+2)(x-2)}{(x-2)}$

$=(x+2)$