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Closed Interval

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AP Calculus AB/BC

Definition

A closed interval is a set of real numbers that includes both of its endpoints. It is denoted by square brackets [ ].

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Subjects (11)

Practice Questions (6)

Which condition is required to confirm continuity over a closed interval [a, b]?
Is f(x) = sqrt(x + 4) continuous over the closed interval [-4, 6]?
Is s(x) = 2x^2 - 3x + 1 continuous over the closed interval [0, 2]?
Is q(x) = e^(3x) continuous over the closed interval [1, 4]?
Is h(x) = cos(2x) continuous over the closed interval [0, π]?
If a function is continuous on a closed interval [a, b] and differentiable on the open interval (a, b), which of the following statements is true?

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