Calculus Examples

$y = 3 x^{3} + x + 3$ , $(5, 7)$

Step 1

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.

Interval Notation:

$(- \infty, \infty)$

Set-Builder Notation:

${x | x \in ℝ}$

Step 2

$f (x)$ is continuous on $(5, 7)$ .

The function is continuous.

Step 3

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