### Home > INT3 > Chapter 6 > Lesson 6.3.1 > Problem6-76

6-76.

Consider the function $f(x)= \frac { 2 } { 7 - x }$.

1. What is $f(7)$?

Substitute $7$ for $x$.

undefined

2. What is the domain of $f(x)$?

Division by $0$ is undefined. What $x$-value causes division by $0$ for this function?
$x$ cannot have that value.

3. What is the range of $f(x)$?

$f(x)\neq0$