Precalculus Examples

$lim_{x \to 3} x - 2$

Split the limit using the Sum of Limits Rule on the limit as $x$ approaches $3$ .

$lim_{x \to 3} x - lim_{x \to 3} 2$

Evaluate the limits by plugging in $3$ for all occurrences of $x$ .

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Evaluate the limit of $x$ by plugging in $3$ for $x$ .

$3 - lim_{x \to 3} 2$

Evaluate the limit of $2$ which is constant as $x$ approaches $3$ .

$3 - 2$

Subtract $2$ from $3$ .

$1$

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