Precalculus Examples

$f (1) = 4 x - 6$

Step 1

Replace the variable $x$ with $1$ in the expression.

$f (1) = 4 (1) - 6$

Step 2

Simplify the result.

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Step 2.1

Multiply $4$ by $1$ .

$f (1) = 4 - 6$

Step 2.2

Subtract $6$ from $4$ .

$f (1) = - 2$

Step 2.3

The final answer is $- 2$ .

$- 2$

Step 3