7-7 Day 1 Inverse Relations and Functions.pdf
7-7 Day 1 Inverse Relations and Functions.pdf
7-7 Day 1 Inverse Relations and Functions.pdf
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77 <strong>Day</strong> 1 <strong>Inverse</strong> <strong>Relations</strong> <strong>and</strong> <strong>Functions</strong><br />
March 03, 2009<br />
The <strong>Inverse</strong> of a Function<br />
If a relation pairs element a of its domain to element b of its range, the<br />
inverse relation pairs b with a.<br />
relation<br />
inverse<br />
(a, b) (b, a)<br />
The domain <strong>and</strong> range are reversed from the relation to the inverse.<br />
Example: Relation r <strong>Inverse</strong> of r<br />
Domain Range Domain Range<br />
1.2 1.2<br />
1<br />
1<br />
1.4 1.4<br />
1.6 2<br />
2 1.6<br />
1.9 1.9<br />
Feb 2812:57 PM<br />
7
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