Precalculus Examples

$f (x) = x$ , $g (x) = 4 x - 1$

Step 1

Replace the function designators with the actual functions in $f (x) + g (x)$ .

$x + 4 x - 1$

Step 2

Add $x$ and $4 x$ .

$5 x - 1$

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$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$