Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section: Chapter Questions
Problem 77CLR
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7. Decide if the following functions are one-to-one. Prove your answers.
(a) f(x) = x³ - 1
(b) g(x) = 2x+4
8. Decide if the following functions are onto. Prove your answers.
(a) f(x)=r³-1
(b) g(x) = 2x+4
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