Intervals of a Function

Intervals of a Function

Assessment

Flashcard

Mathematics

11th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an interval in mathematics?

Back

An interval is a set of real numbers that contains all numbers between any two numbers in the set.

2.

FLASHCARD QUESTION

Front

What does it mean for a function to be negative on an interval?

Back

A function is negative on an interval if its output values are less than zero for all inputs in that interval.

3.

FLASHCARD QUESTION

Front

How do you express the interval (a, b) in inequality notation?

Back

In inequality notation, (a, b) is expressed as a < x < b.

4.

FLASHCARD QUESTION

Front

What is the difference between open and closed intervals?

Back

Open intervals do not include their endpoints, while closed intervals do include their endpoints.

5.

FLASHCARD QUESTION

Front

What does it mean for a function to be decreasing on an interval?

Back

A function is decreasing on an interval if, as the input values increase, the output values decrease.

6.

FLASHCARD QUESTION

Front

How do you represent the interval [-5, ∞) in set notation?

Back

In set notation, [-5, ∞) is represented as {x | x ≥ -5}.

7.

FLASHCARD QUESTION

Front

What is the interval notation for all real numbers?

Back

The interval notation for all real numbers is (-∞, ∞).

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