
2. Let Z,,2,3,4, 5. Define f:Z6 Zs by f(x)x2 +4 (mod 6), and define g:Z6-Z6 byg(x)-(x + )(x + 4) (mod 6) (a) Calculate f(0), f(), f(2), f(3), f(4), and f(5) (b) Calculate g(0), g(1). g(2), g (3), g(4), and g(5) (c) Is the function
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