Learn how to apply the first derivative test to describe increasing decreasing int

Learn how to apply the first derivative test to describe increasing decreasing int

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial covers the concepts of continuity and differentiability of a function on a given interval. It explains how to find the derivative, identify critical values, and create test intervals. The tutorial further analyzes the behavior of the function on these intervals and discusses the conditions for relative extrema, concluding that no maximum or minimum occurs at the critical point due to the derivative's behavior.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the derivative of the function F(x) given in the video?

x^3

2x^3

3x

3x^2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is identified as the critical value of the function?

x = 0

x = 3

x = 1

x = -1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are test intervals defined in the video?

Using open intervals only

Using closed intervals only

Using neither open nor closed intervals

Using both open and closed intervals

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the behavior of F(x) on the interval (-3, 0)?

Undefined

Increasing

Decreasing

Constant

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does no maximum or minimum occur at x = 0?

Because F'(x) is zero

Because F'(x) is positive on both sides of x = 0

Because F'(x) is negative on both sides of x = 0

Because F(x) is not continuous