Finite Math Examples

$f (3) = 2 x - 5$

Step 1

Replace the variable $x$ with $3$ in the expression.

$f (3) = 2 (3) - 5$

Step 2

Simplify the result.

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Step 2.1

Multiply $2$ by $3$ .

$f (3) = 6 - 5$

Step 2.2

Subtract $5$ from $6$ .

$f (3) = 1$

Step 2.3

The final answer is $1$ .

$1$

Step 3