Precalculus Examples

Given $g (x) = - x + 3$ ; find $g (1)$

Step 1

Replace the variable $x$ with $1$ in the expression.

$g (1) = - (1) + 3$

Step 2

Simplify $- (1) + 3$ .

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Step 2.1

Remove parentheses.

$- (1) + 3$

Step 2.2

Multiply $- 1$ by $1$ .

$- 1 + 3$

Step 2.3

Add $- 1$ and $3$ .

$2$