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Calculus Examples

$f (x) = 3 x - 2$ , $(3, 6)$

Evaluate $f (x) = 3 x - 2$ at $x = 3$ .

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

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

Simplify the result.

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Multiply $3$ by $3$ .

$f (3) = 9 - 2$

Subtract $2$ from $9$ .

$f (3) = 7$

The final answer is $7$ .

$7$

$7$

$7$

Since $7$ $\neq$ $6$ , the point is not on the graph.

The point is not on the graph

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