Consider the function f : {0, 1, 2,3, 4} → {0, 1, 2, 3, 4} defined by the formula f (x) = (x + 2) % 5 %3D

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 64E
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6. Consider the function f : {0, 1, 2, 3, 4} → {0, 1, 2, 3, 4} defined by the formula
f (x) = (x + 2) %5
For each n e N, define f" : {0,1, 2, 3, 4} → {0, 1, 2, 3, 4} by the rule
f"(x) = ƒ o ƒ o ...f(x)
n times
Which of the following statements is TRUE?
(a) f³(x) = x for all a € {0,1,2, 3, 4}.
(b) There exists x € {0, 1, 2, 3, 4} such that f10 (x) # x.
(c) f²(0) = f³(1).
(d) The domain of f is not equal to the codomain of f, so fn is not a function unless n = 1.
Select one alternative:
(c)
(b)
O (d)
(a)
Transcribed Image Text:6. Consider the function f : {0, 1, 2, 3, 4} → {0, 1, 2, 3, 4} defined by the formula f (x) = (x + 2) %5 For each n e N, define f" : {0,1, 2, 3, 4} → {0, 1, 2, 3, 4} by the rule f"(x) = ƒ o ƒ o ...f(x) n times Which of the following statements is TRUE? (a) f³(x) = x for all a € {0,1,2, 3, 4}. (b) There exists x € {0, 1, 2, 3, 4} such that f10 (x) # x. (c) f²(0) = f³(1). (d) The domain of f is not equal to the codomain of f, so fn is not a function unless n = 1. Select one alternative: (c) (b) O (d) (a)
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