January 2015
Intermediate to advanced
1015 pages
318h 54m
English
Content preview from Algebra and Trigonometry, 5th Edition
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5.1 Inverse Functions
Determine whether a function is one-to-one, and if it is, find a formula for its inverse.
Simplify expressions of the type and .
Inverses
When we go from an output of a function back to its input or inputs, we get an inverse relation. When that relation is a function, we have an inverse function.
Consider the relation h given as follows:
Suppose we interchange the first and second coordinates. The relation we obtain is called the inverse of the relation h and is given as follows:
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