Ahomework problem asks for a sketch of the graph of the inverse of f (x) = x + cos x. Frank, after trying but failingto find a formula for f -1(x), says it’s impossible to graph the inverse. Bianca hands in an accurate sketch without solvingfor f -1. How did Bianca complete the problem?

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.1: Exponential Functions
Problem 57SE: Repeat the previous exercise to find the formula forthe APY of an account that compounds daily....
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Ahomework problem asks for a sketch of the graph of the inverse of f (x) = x + cos x. Frank, after trying but failingto find a formula for f -1(x), says it’s impossible to graph the inverse. Bianca hands in an accurate sketch without solvingfor f -1. How did Bianca complete the problem?

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