Precalculus Examples

$f (x) = - x + 2$ ; find $f (0)$

Step 1

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

$f (0) = - (0) + 2$

Step 2

Simplify $- (0) + 2$ .

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Step 2.1

Remove parentheses.

$- (0) + 2$

Step 2.2

Multiply $- 1$ by $0$ .

$0 + 2$

Step 2.3

Add $0$ and $2$ .

$2$