Finite Math Examples

$f (4) = \sqrt{x - 3}$

Step 1

Replace the variable $x$ with $4$ in the expression.

$f (4) = \sqrt{(4) - 3}$

Step 2

Simplify the result.

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Step 2.1

Subtract $3$ from $4$ .

$f (4) = \sqrt{1}$

Step 2.2

Any root of $1$ is $1$ .

$f (4) = 1$

Step 2.3

The final answer is $1$ .

$1$

Step 3