Intervals of a Function

Intervals of a Function

Assessment

Flashcard

Mathematics

11th Grade

Practice Problem

Hard

CCSS
6.EE.B.8, 8.F.B.4, HSA.CED.A.3

+2

Standards-aligned

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 increasing on an interval?

Back

A function is increasing on an interval if, for any two points x1 and x2 in the interval, if x1 < x2 then f(x1) < f(x2).

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

3.

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, for any two points x1 and x2 in the interval, if x1 < x2 then f(x1) > f(x2).

4.

FLASHCARD QUESTION

Front

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

Back

A function is constant on an interval if, for any two points x1 and x2 in the interval, f(x1) = f(x2).

5.

FLASHCARD QUESTION

Front

How do you denote an interval that includes its endpoints?

Back

An interval that includes its endpoints is denoted using square brackets, e.g., [a, b].

6.

FLASHCARD QUESTION

Front

How do you denote an interval that does not include its endpoints?

Back

An interval that does not include its endpoints is denoted using parentheses, e.g., (a, b).

Tags

CCSS.6.EE.B.8

7.

FLASHCARD QUESTION

Front

What is the interval notation for all real numbers less than 6?

Back

(-∞, 6).

Tags

CCSS.6.EE.B.8

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