4. Give an example of a function from N to N that is (a) one-to-one but not onto. (b) onto but not one-to-one. (c) both onto and one-to-one (but different from the identity function f(a) = x). (d) neither one-to-one nor onto.
4. Give an example of a function from N to N that is (a) one-to-one but not onto. (b) onto but not one-to-one. (c) both onto and one-to-one (but different from the identity function f(a) = x). (d) neither one-to-one nor onto.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.2: Exponential Functions
Problem 12E
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