Unbounded intervals, Mathematics

Assignment Help:

Intervals which extend indefinitely in both the directions are known as unbounded intervals. These are written with the aid of symbols +∞  and -  ∞  . The various types of intervals, if  "a" happens to be a real number, are:

  1. (a, +    is the set of all real numbers x such that a < x.

  2. (-    a) is the set of all real numbers x such that x < a.

  3. [a, +    is the set of all real numbers x such that a  x.

  4. (-    , a] is the set of all real numbers x such that x ≤ a.


Related Discussions:- Unbounded intervals

Introduction to addition and subtraction, INTRODUCTION :  When a child of ...

INTRODUCTION :  When a child of seven isn't able to solve the sum 23+9, what could the reasons be? When she is asked to subtract 9 from 16, why does she write 9 - 16 = 13 ?

Carrot juice, 1. His favorite current carrot drink contain 40%. but h eneed...

1. His favorite current carrot drink contain 40%. but h eneeds add to 80 quarts wife brought his perfect drink mix.

What was the original price of the frying pan, Cory purchased a frying pan ...

Cory purchased a frying pan which was on sale for 30% off. She saved $3.75 along with the sale. What was the original price of the frying pan? Use a proportion to ?nd out the o

Rounding, what is the nearest ten thousand of 92,892?

what is the nearest ten thousand of 92,892?

What percent of the figure below is shaded, What percent of the figure belo...

What percent of the figure below is shaded? Break the rectangle into eighths as shown below. The shaded part is 6/8 or 3/4; 3/4 is 75%.

Integration techniques, Integration Techniques In this section we are ...

Integration Techniques In this section we are going to be looking at several integration techniques and methods. There are a fair number of integration techniques and some wil

Which expression has an answer of 18, Which expression has an answer of 18?...

Which expression has an answer of 18? Use the order of operations and try every option. The first option results in 14 since 2 . 5 = 10, then 10 + 4 = 14. This does not work. T

Alzebra, how can i memorize the formulas

how can i memorize the formulas

Algebraic expression, i dont understand what my teacher disccussing thats w...

i dont understand what my teacher disccussing thats why i want to learn for this lesson. i want to ask'' what is the variables?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd