20/20 Function Domains
The tutor in your pocket.
USD 0.99
7.0for iPhone, iPad and more
Age Rating
لقطات الشاشة لـ 20/20 Function Domains
About 20/20 Function Domains
A power learning aid combines Coaching Calculators and Guides to help students find the domains of simple rational functions and radical functions.
The Coaching Calculator covers rational functions such as :
f(x) = (3x + 6)/9
f(x) = (x² - 4)/(3x + 6)
f(x) = (x² - 9)/(2x² + 4x - 6)
and radical functions such as :
f(x) = √(2x + 6)
f(x) = √((x² - 5x + 6)
Domains are given in set-builder and interval notation.
The Guide also looks at radical functions such as :
f(x) = -2/√(x - 3)
f(x) = (2x + 3)/(x - √(x + 2))
It's ideal for students as the menu design reinforces each problem solving step.
Examples highlight and simplify algebra that students find hard.
The Coaching Calculator covers rational functions such as :
f(x) = (3x + 6)/9
f(x) = (x² - 4)/(3x + 6)
f(x) = (x² - 9)/(2x² + 4x - 6)
and radical functions such as :
f(x) = √(2x + 6)
f(x) = √((x² - 5x + 6)
Domains are given in set-builder and interval notation.
The Guide also looks at radical functions such as :
f(x) = -2/√(x - 3)
f(x) = (2x + 3)/(x - √(x + 2))
It's ideal for students as the menu design reinforces each problem solving step.
Examples highlight and simplify algebra that students find hard.
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تحديث لأحدث إصدار 7.0
Last updated on 06/04/2024
الإصدارات القديمة
Minor user interface bug fixes.
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Version History
7.0
10/10/2021
Minor user interface bug fixes.
6.9
06/10/2021
iOS 15 compatibility and minor bug fixes.
6.8
05/09/2021
Minor bug fixes.
6.7
23/01/2020
Minor bug fixes and enhancements.
6.6
15/01/2020
Minor bug fixes and app streamlining. Secondary modules are moving to free apps for you to GET if you wish.
6.5
05/10/2019
New transpose option for linear inequalities. Minor bug fixes.
6.4
25/09/2019
iOS 13 and iPadOS compatibility.
6.3
19/01/2019
Major revision with streamlined user interface. Minor bug fixes.
6.2
25/09/2018
Universal iPhone and iPad app. iOS 12 compatibility.
6.1
01/11/2017
iPhone X and iOS 11 optimization and minor bug fixes.
6.0
21/09/2016
iOS 10 compatibility and bug fixes.
5.1
01/10/2015
iOS 9 compatibility and bug fixes.
5.0
03/04/2015
Improved Guides for iPhone 6 and iPhone 6 Plus and minor bug fixes.
4.0
27/09/2013
iOS 7 version.
3.1
09/04/2013
New modules for finding domains of simple radical functions. Domains are now in both set-builder and interval notation.
3.0
03/04/2013
Major revision includes Coaching Calculator for rational functions such as f(x) = (6x + 3)/(6x² + 5x − 6) .
2.2
25/09/2012
iOS 6 and iPhone 5 compatibility.
2.1
17/12/2010
Minor bug fixes and layout changes.
2.0
24/11/2010
New menu system and revised guide.
1.2
02/08/2009
App requires OS 3. Minor enhancements.
1.1
28/04/2009
Minor bug fix.
1.0
20/04/2009
20/20 Function Domains FAQ
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iPhone
Requiere iOS 14.0 o posterior.
iPad
Requiere iPadOS 14.0 o posterior.
iPod touch
Requiere iOS 14.0 o posterior.
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