Finite Math Examples

$s (x) = 4 x - 3$ , $t (x) = x - 1$

Step 1

Set up the composite result function.

$s (t (x))$

Step 2

Evaluate $s (x - 1)$ by substituting in the value of $t$ into $s$ .

$s (x - 1) = 4 (x - 1) - 3$

Step 3

Simplify each term.

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Step 3.1

Apply the distributive property.

$s (x - 1) = 4 x + 4 \cdot - 1 - 3$

Step 3.2

Multiply $4$ by $- 1$ .

$s (x - 1) = 4 x - 4 - 3$

Step 4

Subtract $3$ from $- 4$ .

$s (x - 1) = 4 x - 7$