Finite Math Examples

$f (x) = 5$ , $g (x) = x$

Distribute the value across the operation.

$f (x) \cdot (g (x))$

Evaluate $f (x)$ .

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

$f (x) = 5$

The final answer is $5$ .

$5$

Evaluate $g (x)$ .

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

$g (x) = (x)$

Simplify the result.

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Remove parentheses.

$g (x) = x$

The final answer is $x$ .

$x$

Compose the result function for $f (x) \cdot (g (x))$ by replacing the function designators with the actual functions.

$(5) \cdot (x)$

Simplify.

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Multiply $5$ by $x$ .

$(5) (x)$

Multiply $5$ by $x$ .

$5 (x)$

Multiply $5$ by $x$ .

$5 x$

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.

$(- \infty, \infty)$

${x | x \in ℝ}$

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