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20/20 Function Domains

A power learning aid combining Coaching Calculators and Guides to help students find the domains of simple rational functions and radical functions

A power learning aid combining Coaching Calculators and Guides to help students find the domains of simple rational functions and radical functions

20/20 Function Domains

by Walter Kissach
20/20 Function Domains
20/20 Function Domains
20/20 Function Domains

What is it about?

A power learning aid combining Coaching Calculators and Guides to help students find the domains of simple rational functions and radical functions.

20/20 Function Domains

App Details

Version
6.7
Rating
NA
Size
10Mb
Genre
Education Reference
Last updated
January 23, 2020
Release date
April 20, 2009
More info

App Screenshots

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App Store Description

A power learning aid combining 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.

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