Algebra Examples

$f (8) = \sqrt{3 (8) + 1}$

Step 1

Multiply $3$ by $8$ .

$f (8) = \sqrt{24 + 1}$

Step 2

Add $24$ and $1$ .

$f (8) = \sqrt{25}$

Step 3

Rewrite $25$ as $5^{2}$ .

$f (8) = \sqrt{5^{2}}$

Step 4

Pull terms out from under the radical, assuming positive real numbers.

$f (8) = 5$