AP Calculus ABhardmcq1 pt

The Intermediate Value Theorem states that if a function f(x) is continuous on the interval [a, b] and k is any value between f(a) and f(b), then there exists a value c in the interval [a, b] such that f(c) = k. Which of the following conclusions can be drawn about the function f(x) = sin(x) on the interval [0, π]?

A.C) The function has a local maximum at x = π.
B.B) The function is discontinuous on the interval [0, π].
C.A) The function is continuous on the interval [0, π].
D.D) The function has a local minimum at x = 0.

Explanation

Core Concept

The function f(x) = sin(x) is continuous on the interval [0, π] because it is differentiable on this interval. Additionally, sin(0) = 0 and sin(π) = 0, so the function takes on the value 0 at both endpoints of the interval. By the Intermediate Value Theorem, there exists a value c in the interval [0, π] such that sin(c) = 0. The correct answer is A) The function is continuous on the interval [0, π]. Options B, C, and D are incorrect because the function is not discontinuous on this interval, and the local maximum and minimum statements are not accurate.

Correct Answer

CA) The function is continuous on the interval [0, π].

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