Intervals

IMPORTANT

Intervals: Overview

This topic explains the intervals and its types. It talks about finite and infinite intervals. In addition, it explains open, closed, and semi-open intervals. We will also deal with some examples for more details.

Important Questions on Intervals

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Mathematics>Sets>Intervals> Q 1

Define length of an interval.

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Mathematics>Sets>Intervals> Q 2

Express the following subsets of R in the interval form.

{x:|-3x+5|<2}

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Mathematics>Sets>Intervals> Q 3

The length of an interval (-18,-24] is 

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Mathematics>Sets>Intervals> Q 4

Using interval notation select the interval which represent set of numbers.

x≤3 or 5<x≤9.

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Mathematics>Sets>Intervals> Q 5

Which of the following represent the interval of following:

 x:x∈R,-4<x≤6

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Mathematics>Sets>Intervals> Q 6

Cotyledons are also called-