Find an explicit formula for f −1 and use it to graph f −1, f, and the line  y = x  on the same screen. To check your work, see whether the graphs of f and f −1 are reflections about the line. f(x) =    5x + 4 f −1(x) =

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
ChapterP: Prerequisites
SectionP.8: Transformations Of Functions
Problem 2E
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Find an explicit formula for f−1 and use it to graph f−1f, and the line 

y = x

 on the same screen. To check your work, see whether the graphs of f and f−1 are reflections about the line.

f(x) = 
  5x + 4
f −1(x) = 
 
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