Calculus Examples

$f (x) = x + 2$ , $f (3)$

Step 1

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

$f (3) = (3) + 2$

Step 2

Simplify $(3) + 2$ .

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Step 2.1

Remove parentheses.

$(3) + 2$

Step 2.2

Add $3$ and $2$ .

$5$

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