Precalculus Examples

$h (x) = - 3 x - 4$ ; find $h (0)$

Step 1

Replace the variable $x$ with $0$ in the expression.

$h (0) = - 3 \cdot 0 - 4$

Step 2

Simplify $- 3 \cdot 0 - 4$ .

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Step 2.1

Remove parentheses.

$- 3 \cdot 0 - 4$

Step 2.2

Multiply $- 3$ by $0$ .

$0 - 4$

Step 2.3

Subtract $4$ from $0$ .

$- 4$