Evaluate the Function f(x)=3-x at x=2

$f (x) = 3 - x$ at $x = 2$

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

$f (2) = 3 - (2)$

Simplify the result.

Multiply $- 1$ by $2$ .

$f (2) = 3 - 2$

Subtract $2$ from $3$ .

$f (2) = 1$

The final answer is $1$ .

$1$