Precalculus Examples

Given $g (x) = 3 x + 3$ ; find $g (- 6)$

Step 1

Replace the variable $x$ with $- 6$ in the expression.

$g (- 6) = 3 (- 6) + 3$

Step 2

Simplify $3 (- 6) + 3$ .

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Step 2.1

Remove parentheses.

$3 (- 6) + 3$

Step 2.2

Multiply $3$ by $- 6$ .

$- 18 + 3$

Step 2.3

Add $- 18$ and $3$ .

$- 15$