Algebra Examples

$h (t) = \frac{1}{t}$

Step 1

Set the denominator in $\frac{1}{t}$ equal to $0$ to find where the expression is undefined.

$t = 0$

Step 2

The domain is all values of $t$ that make the expression defined.

Interval Notation:

$(- \infty, 0) \cup (0, \infty)$

Set-Builder Notation:

${t | t \neq 0}$

Step 3