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Q. 85

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Precalculus Enhanced with Graphing Utilities
Found in: Page 270
Precalculus Enhanced with Graphing Utilities

Precalculus Enhanced with Graphing Utilities

Book edition 6th
Author(s) Sullivan
Pages 1200 pages
ISBN 9780321795465

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Short Answer

A function f has an inverse function. If the graph of f lies in quadrant I in which quadrant does the graph of f-1 lie?

The graph of f-1 lies in the first quadrant

See the step by step solution

Step by Step Solution

Step 1: Given information

Given the function f has an inverse function

Step 2: Checking the reason

The graphs of a function f and its inverse are mirror images (or reflections) of each other about the line y=x

Hence, if the graph of a function f is in Quadrant I, then the graph of its inverse is its reflection about the line y=x. Note that when a graph in Quadrant I is reflected about the line y=x, the reflection is also in Quadrant I.

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