Precalculus Examples

$f (2) = 2 (x - 2)$

Step 1

Replace the variable $x$ with $2$ in the expression.

$f (2) = 2 ((2) - 2)$

Step 2

Simplify the result.

Tap for more steps...

Step 2.1

Subtract $2$ from $2$ .

$f (2) = 2 \cdot 0$

Step 2.2

Multiply $2$ by $0$ .

$f (2) = 0$

Step 2.3

The final answer is $0$ .

$0$

Step 3