Consider the following functions. If the function is one-to-one, find a formula for the inverse. If the function is NOT one-to-one find an output that can be obtained from multiple inputs (Example: if the function is f(x) = x2 + 1 then its NOT one-to-one since f(2) = f(−2) = 5) (a) f(x) = x − 4 (b) f(x) = x2 + x + 1

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter10: Radical Functions And Equations
Section: Chapter Questions
Problem 22CR
Question

 Consider the following functions. If the function is one-to-one, find a formula for the inverse.
If the function is NOT one-to-one find an output that can be obtained from multiple inputs
(Example: if the function is f(x) = x2 + 1 then its NOT one-to-one since f(2) = f(−2) = 5)
(a) f(x) = x − 4
(b) f(x) = x2 + x + 1 

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