V.5. Which of the following functions are injective? Which are surjective? (a) f : Z→ Z given by f(x) = x² + 1. (b) g : N → N given by g(x) = 2". (c) h : R → R given by h(x) = 5x – 1.
V.5. Which of the following functions are injective? Which are surjective? (a) f : Z→ Z given by f(x) = x² + 1. (b) g : N → N given by g(x) = 2". (c) h : R → R given by h(x) = 5x – 1.
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 2SE: If a functionfis increasing on (a,b) and decreasing on (b,c) , then what can be said about the local...
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