c) Is f onto? Answer yes or no and explain. Do not just quote the definition, but give a reason that refers to the formula f(x) = -3x + 1.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.1: Functions And Function Notation
Problem 92SE: Show that the function f(x)=3(x5)2+7 is not one-to-one.
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c) Is f onto? Answer yes or no and explain. Do not just quote the definition, but give a
reason that refers to the formula f(x) = -3x + 1.
Transcribed Image Text:c) Is f onto? Answer yes or no and explain. Do not just quote the definition, but give a reason that refers to the formula f(x) = -3x + 1.
Let f:Z>Z be a function given by f(x) = -3x + 1.
Recall that Z = the set of all integers, that is, Z = {.,-2,-1, 0, 1, 2,...
Transcribed Image Text:Let f:Z>Z be a function given by f(x) = -3x + 1. Recall that Z = the set of all integers, that is, Z = {.,-2,-1, 0, 1, 2,...
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