3. Determine if the following functions are one-one. Explain why. •f: R R f(x) = (x - 2)² ● f:R R f(x) = x + 12 f:R R f(x) = 2|x|

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
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Chapter3: Functions
Section3.7: Inverse Functions
Problem 2SE: Why do we restrict the domain of the function f(x)=x2 to find the function's inverse?
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3. Determine if the following functions are one-one. Explain why.
•f:R→R
f(x) = (x - 2)²
•f:R → R
f(x) = x + 12
f:R→R
f(x) = 2|x|
Transcribed Image Text:3. Determine if the following functions are one-one. Explain why. •f:R→R f(x) = (x - 2)² •f:R → R f(x) = x + 12 f:R→R f(x) = 2|x|
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