Precalculus Examples

$g (x) = - x - 5$ ; find $g (5)$

Step 1

Replace the variable $x$ with $5$ in the expression.

$g (5) = - (5) - 5$

Step 2

Simplify $- (5) - 5$ .

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Step 2.1

Remove parentheses.

$- (5) - 5$

Step 2.2

Multiply $- 1$ by $5$ .

$- 5 - 5$

Step 2.3

Subtract $5$ from $- 5$ .

$- 10$