Functions: Domain and range
Intervals
IntervalAn interval is a collection of numbers that correspond with a part of the numbers line. We identify the following intervals.
Interval | Description | Image |
#\ivoo{a}{b}# | #x \gt a \land x \lt b# | |
#\ivcc{a}{b}# | #x \geq a \land x \leq b# | |
#\ivco{a}{b}# | #x \geq a \land x \lt b# | |
#\ivoc{a}{b}# | #x \gt a \land x \leq b# | |
#\ivoo{a}{\infty}# | #x \gt a# | |
#\ivco{a}{\infty}# | #x \geq a# | |
#\ivoo{-\infty}{b}# | #x \lt b# | |
#\ivoc{-\infty}{b}# | #x \leq b# | |
#\ivoo{-\infty}{\infty}# | all numbers |
#x \geq 7 \land x \lt 14#
The interval #\ivco{7}{14}# describes all numbers bigger than or equal to #7# and smaller than #14#. Hence, we notate this as
\[x \geq 7 \land x \lt 14\]
The interval #\ivco{7}{14}# describes all numbers bigger than or equal to #7# and smaller than #14#. Hence, we notate this as
\[x \geq 7 \land x \lt 14\]
Unlock full access
Teacher access
Request a demo account. We will help you get started with our digital learning environment.
Student access
Is your university not a partner?
Get access to our courses via Pass Your Math independent of your university. See pricing and more.
Or visit omptest.org if jou are taking an OMPT exam.
Or visit omptest.org if jou are taking an OMPT exam.